Which statement describes a physical property related to the particles that make up a material? A. Gold is a relatively dense metal because its atoms have more protons than atoms of many other metals.

B. Neon is not reactive with other elements, because its atoms have 8 valence electrons.

C. Carbon is flammable because its atoms combine easily with oxygen atoms in the presence of heat.

D. Fluorine is highly reactive with other elements because its atoms have 7 valence electrons.