An atom is made up of

An atom's protons and neutrons are located in the

An element's Atomic Number comes from the number of _____ in its nucleus.

A proton weighs ______ an electron.

Every atom has a unique and specific number of protons, electrons, and neutrons, so each atom is a unique

When atoms bond with other atoms, they form

Some molecules are formed when two or more atoms share

Fossil fuels (from dinosaur goo) are oil that is used to make

When we burn fossil fuels (such as coal) to make energy (to power cities), the result is