The longest continuous carbon chain of a branched-chain hydrocarbon is called

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Find the mass, in grams, of 5.00*10^23 molecules of f2