10 points
What is the molar mass of argon?

The boiling point of liquids is very high what does it indicate

The number at the end of an isotope’s name is the number.

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