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CA REVIEW- VOCABULARY

Name _______________________________
Date _______________________
CA Goal ___________
Across
Valence electrons help determine the ___________ of an element
A physical property that determines if a substance will sink or float in water
Two or more elements combined
Elements that sometimes act like metals and sometimes like non-metals
Units of measurement for mass
The part of the atom that tells you how reactive an element is
Everything in the world is made up of tiny _______.
This is the electrical charge of a Neutron
This is how much space something takes up. Needed to calculate Density
The electrical charge of a proton
Tiny number in a chemical formula
The subatomic particle with a neutral charge
Down
Solid precipitate is one of the signs of a __________ __________.
The part of the Periodic Table that matches the energy levels
Group 8A/18. The name of elements that does not react
Big number in front of a chemical formula
The part of the atom that surrounds the nucleus
The part of the Periodic Table that matches the valence electrons
The subatomic particle with a negative charge
Elements that are good conductors of heat and electricity
Subatomic particle that helps determine the identity of an element
Pure substance that cannot be broken down by a chemical reaction
This is the center of an atom