Answer:
1) D
2) A
Explanation:
1) Each group has the same number of valence electrons, which are the outer electrons.
2) Ionic bonds are between a metal and non - metal, the metal being sodium and the non - metal being chlorine.
True.
It has been studied in a research study that claims birds have the ability and capability to regenerate their hair cells.
Brainliest please?
Answer:
Yes it is
Explanation:
the sum moles at the left side equals the sum of moles at the right side
