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.)
A.)Neutral. Since amount of protons and electron are equal and amount of protons cannot be changed so it is stable or neutral.
Which of the following measurements is expressed to three significant figures?
C. 5.60 km
Hope this helps!
Change in velocity over time is acceleration.
You're finding acceleration .