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Chemical Reactions

Puzzle Type: Educational
Teacher: Fye
Across
Positively charged atoms
The columns going down the periodic table.
A chemical substance that is made of two or more elements that are chemically combined
An attraction between atoms.
The electrons on the outermost shell.
A process that allows elements to form chemically.
Down
Each row going across the periodic table.
A type of atom with the same number of protons.
An element with a full valance shell.
Negatively charged atoms.