Explain why the periodic table is not a normal table of rows and columns

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

Adepositional also feature that forms where a stream enters a lake or an ocean is a