Answer:
a) the atomic number is 15
b) the mass number is 15+16 = 31
c) element is phosphorus
d)Group 15 period 3
Answer:
Lateral
Explanation:
Is the opposite side of the midline
Ammonium is NH₄⁺ and Carbonate is CO₃⁻² => Ammonium Carbonate is (NH₄)₂CO₃
Release of heat, color change, or produce of bubbles create are chemical changes that create sound.