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Properties of Matter

By: Tyler J Miller
Across
Number of elements that are man made.
H20
State of matter where molecules are packed closely together.
Positive part of an atom.
When two or more atoms bond together.
The center of an atom
Atoms are far too small to be seen with a _________.
Whiz around in a cloud outside the nucleus.
02
Simplest form of matter that cannot be broken down.
Down
Number of states of matter.
Atom that has one proton.
Anything that takes up space and has mass
Basic unit of matter
Negative part of an atom.
______ is the study of matter.
A type of molecule.
Between the nucleus and the electrons is a lot of ______ space.
Number of elements that occur naturally.
An atom with 79 protons.