Nguyên tử canxi nặng hay nhẹ hơn nguyên tử lưu huỳnh bao nhiêu lần?

2 câu trả lời

Đáp án:

 ` Ca` nặng hơn `S` : `1,25(lần)`

Giải thích các bước giải:

 `d_{{Ca}/{S}} = M_{Ca}/M_S = 40/32 = 1,25(lần)`

`-> Ca` nặng hơn `S` là `1,25(lần)`

   `flower`

Đáp án + Giải thích các bước giải:

`d_{Ca//S}=40/32=1,25`

`to` Nguyên tử Canxi `(Ca)` nặng hơn nguyên tử Lưu huỳnh `(S)` là `1,25` lần 

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