Chemistry
Chemistry, 18.10.2021 06:10, ekirk2021

Nguyên tử của nguyên tố X có 16p trong hạt nhân a)tên và kí hiệu X
b)số e trong nguyên tử của nguyên tố X
c)nguyên tử X nặng gấp bao nhiêu lần nguyên tử hidro ,nguyên tử õi

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Nguyên tử của nguyên tố X có 16p trong hạt nhân a)tên và kí hiệu X
b)số e trong nguyên tử củ...

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