Answer:
A
Explanation:
<em><u>The three-dimensional region of space that indicates where there is a high probability of finding an electron.</u></em>
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
Magnesium>Calcium>Potassium>rubidium
