According to the periodic table of elements, calcium has:

a. 20 protons and 20 electrons
b. 40.08 protons
c. 20 protons and 20.08 electrons
d. 20 protons and zero electrons

Heat is the total potential energy of a substance that can be transferred. true false

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

In one or two grammatically correct sentences, write a definition for the term molecule geometry