Muối ăn – loại gia vị quen thuộc trong bữa cơm hằng ngày – Có bạn viết CTHH là NaCl. Cũng có bạn viết CTHH là Na₂Cl. Theo bạn, cách viết nào là đúng? Vì sao?
DẠY THI GVG
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Chemistry
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7th Grade
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Easy
Linh THCS Phương Thịnh Lê Vũ
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Answer explanation
- Cách viết CTHH NaCl là đúng
- vì nó đảm bảo đúng theo qui tắc hóa trị ( đúng hóa trị của từng nguyên tố)
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