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Chemistry, 24.10.2021 14:00 eden43

Cho các nguyên tố Na (Z = 11) và K (Z = 19). a) Viết cấu hình electron nguyên tử và xác định vị trí (ô nguyên tố, chu kì, nhóm).

b) Cho biết mỗi nguyên tố là kim loại hay phi kim? Vì sao. Hãy so sánh tính chất đó (giải thích ngắn gọn).

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Cho các nguyên tố Na (Z = 11) và K (Z = 19). a) Viết cấu hình electron nguyên tử và xác định vị tr...
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