hydrogen and helium and the most abundant elements in a nebula.
Answer:
Atoms bonds with 8 electrons
Explanation:
Octet rule is a chemical rule that shows elements in main group bond so that each atom have 8 valence electrons in the outmost shell which make them to have similar electronic configuration with Noble gases This is important because the sharing of electrons make atoms to have full shell. Atoms with electrons not up to 8 react with more stable compound.
Answer:
A
Explanation:
Chickens are birds and they lay hard shelled eggs
Penguins are birds and lay hard shelled eggs
Answer:
number 1
Explanation:
Groundwater mainly contributes the water into the surface water like streams, rivers, and lakes.
