Chương 2: Nitơ – Photpho

Bài 9: Axit nitric và Muối nitrat

<img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by Lê Nhi Tháng Mười 3, 2021

Chuyên đề Axit nitric và muối nitrat

<img alt='' data-srcset="https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by anhaodang Tháng Chín 30, 2021

Chuyên đề Nitơ – Amoniac và muối amoni

<img alt='' data-srcset="https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by anhaodang Tháng Ba 17, 2021

Chuyên đề Photpho – Axit photphoric

<img alt='' data-srcset="https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/abe1bbcf7308cf6fd98118ac0478cf0e?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by anhaodang Tháng Ba 17, 2021

Bài 12: Phân bón hóa học

<img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by Lê Nhi Tháng Bảy 2, 2019

Bài 11: Axit Photphoric và Muối Photphat

<img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by Lê Nhi Tháng Bảy 2, 2019

Bài 10: Photpho

<img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by Lê Nhi Tháng Sáu 24, 2019

Bài 8: Amoniac và Muối amoni

<img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by Lê Nhi Tháng Sáu 24, 2019

Bài 7: Nitơ

<img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' data-srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" height='60' width='60' data-src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' class='avatar avatar-60 photo avatar-img lazyload' src='data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /><noscript><img alt='' src='https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=60&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g' srcset="https://secure.gravatar.com/avatar/3e4e1d196f9c3b37d42d32961b0c7a17?s=120&d=https%3A%2F%2Flecttr.com%2Fwp-content%2Fuploads%2F2019%2F07%2Fcropped-lecttr-icon-square-270x270.png&r=g 2x" class='avatar avatar-60 photo avatar-img' height='60' width='60' />

Written by Lê Nhi Tháng Sáu 11, 2019