Answer:
Law of Conservation of Energy
Explanation:
The answer is A. The vibration caused by the waves through the air eventually weaken, which is why sound diminishes easily over distance.
1.) Na
2.) Cl ( at the second blank)
sodium metal+hydrochloric acid
It's an ionic bond! Potassium is a cation, or a metal with a positive charge, and fluoride is an anion, or a nonmetal with a negative charge.
A covalent bond is the bond between two nonmetals.
Hope this helped!
Answer:
2Al + 3CuSO4 → Al2(SO4)3 + 3Cu
Explanation:
I THINK
