Answer: 1 mol Br contains 6.022×1023Br atoms;its mass is 79.90 g.
Step-by-step explanation:
: I mole or bromine refers to 6×10^23 molecules of bromine. But 1 molecule of bromine has 2 atoms. Hence the atom count will be exactly twice.
Answer:
8
There are 8 atoms of Br because there are two molecules of 4 atoms of Br. 4 x 2 = 8.
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