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Chemical Reactions

Across
Positively charged part of an atom
Zeroing a scale
_______ particles are smaller particles that make up atoms
A chemical reaction that gets colder
Electrons _____ around the nucleus of an atom in shells
Negatively charged part of an atom
Neutral charged part of an atom
The curved surface of a liquid in a tube
Down
These particles make up all matter
An ion with a negative charge
______ change, like ice melting or cutting wood
A group of different types of atoms
A chemical reaction that gets warmer
A group of the same type of atoms
The center of an atom
An ion with a positive charge
When 2 or more atoms combine