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worty [1.4K]
3 years ago
11

What is Br mass number?

Chemistry
1 answer:
Fofino [41]3 years ago
3 0

Name Bromine

Symbol Br

Atomic Number 35

Atomic Mass 79.904 atomic mass units

Number of Protons 35

Number of Neutrons 45

Number of Electrons 35

Melting Point -7.2° C

Boiling Point 58.78° C

Density 3.119 grams per cubic centimeter

Normal Phase Gas

Family Halogens

Period 4

Cost $4.90 per 100 grams

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