It might be electromagnetic force
Answer:
35
Explanation:
The number of protons in bromine-80 is 35, it is the same with the atomic number.
Noble gases are all elements in column 18. aka far right
<span>Density = mass / volume
3.32 kg = 3320 g
volume mass / density
3320 / 1.11 = 2990.99</span>
