2. When atoms of sodium (Na) and chlorine (CI)
combine to form salt (NaCl), the Nation is smaller
than the Na atom, while the Cl ion is larger than
the Cl atom. Why?

A The Na and Cl atoms both lost electrons.
B The Na and Cl atoms both gained electrons.
C The Na atom lost an electron, while the Cl
atom gained an electron.
D The Na atom gained an electron, while the CI
atom lost an electron.
5.

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.