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Chemistry, 07.09.2021 18:40 swaggg7108

Bài 2: Nguyên tố A trong BTH có số hiệu nguyên tử là 12. Hãy cho biết: a) số electron, proton của A?

b) Tinh chất hoá học đặc trưng của nguyên tổ A?

c) So sánh tinh chất hoá học của nguyên tố A (tỉnh kim loại phi kim) với các nguyên tố đứng trên và dưới trong cùng nhóm, trước và sau trong cùng chu kỉ

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Bài 2: Nguyên tố A trong BTH có số hiệu nguyên tử là 12. Hãy cho biết: a) số electron, proton của...
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