hydrogen is the lightest element in the periodic table
Answer:
Magnesium hydroxide has 3 unique elements.
Explanation:
Long story short, 2 is the balancing compound in structure to make up hydroxide, therefore 1 compound would be left to create Mg(2O)H.
(This is only an opinion of mathematical science to me, I don't have complete understanding of this subject either, good luck.)
Answer:
A) photon
Explanation:
hope it helps and give brainliest if its correct
In earths surface or the bottom of the Ocean
Answer:
chemical change
Explanation:
chemical change requires energy in the form of heat or electricity.