Which of these statements is not true?

a. molecules arc made up of atoms.

b. protons are smaller than quarks.

c. atoms are larger than protons.

d. protons are made up of quarks.

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals