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Matter

Across
The weight of all matter
The amount of space and object takes up
The state of matter when molecules are moving around slowly
_____________ are what make up any object
The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table is an ______________number
The basic building blocks of matter
Down
The state of matter when molecules are spread out
State of matter when molecules are packed close together
There are 117 known ______________
What everything is made of