I think it would be these three answers ionic , covalent , and polar covalent
The answer is A. The vibration caused by the waves through the air eventually weaken, which is why sound diminishes easily over distance.
The answer is D. Liquid to Solid
Answer:
15m
Explanation:
vi = 0
vf = 10
a = -9.8
10^2 = 0 + 2(-9.8)(x2-x1) = -5.1
20-5.1 = 14.9m = 15m
<h3>
<u>Answer</u></h3>
4. loses 2 electrons
<h3>
<u>EXPLANATION</u></h3>
Mg²+ has 10 electrons while Mg has 12 electrons.
