1. Which of the following weighs least? a) 0.2 g of atoms of N b) 3 x 10” atoms of C c) I mole of S d) 7 g of Ag​

Question

1. Which of the following weighs least?
a) 0.2 g of atoms of N
b) 3 x 10” atoms of C
c) I mole of S
d) 7 g of Ag​

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Khoii Minh 6 months 2021-07-23T11:21:09+00:00 1 Answers 11 views 0

Answers ( )

    0
    2021-07-23T11:22:52+00:00

    B

    Explanation:

    cause carbon is less than all of them in periodic table which therefore least in the group

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )