Which is a substance that is made up of only one type of atom

a. compound
b. element
c. solution
d. mixture

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1: