13 which atom in the ground state has a stable electron configuration? (1) carbon (3) neon(2) magnesium (4) oxygen

Which type of fossil does this image depict?

Amixture with the same composition throughout is!

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma