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All About Matter!

Across
When two or more atoms link together, they make a ________
The amount of matter in an object
A combination of two hydrogen atoms and one oxygen atom (H20)
A ________ is formed when two atoms come together and share electrons
A combination of carbon atom and two oxygen atoms
A measure of how much mass is in a specific volume
What spins around the nucleus of an atom?
Down
A measure of how much space matter takes up.
Molecules that are made up of different atoms
She discovered radioactive elements and won a Nobel Prize for the discovery
The center of an atom where the neutrons and protons exist