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PhysSci Weeks 1-4 Review

Horizontales
How many neutrons are in a chlorine-37 isotope?
Atoms from the same element that have different numbers of neutrons
How many electrons are in an anion of nitrogen with a -3 charge?
A law that can help us predict how gases will behave
An element with 78 protons
An element with the chemical symbol Pb
All particles are always moving
A subatomic particle with a positive charge
A variable that stays the same throughout all tests
Something that can be changed or measured
When particles move from an area of high concentration to low concentration
How many electrons are in a potassium cation with a +1 charge?
Verticales
When matter reacts, creating a new substance, it is a ____________ change.
A mixture that is uniform throughout
A unit used to measure the number of atoms or molecules
How many electrons are in a neutral atom of zinc?
A mixture that is not uniform
When matter changes form but not chemical identity, it is a _________ change.
A subatomic particle with no charge
A subatomic particle with a negative charge
The amount of force applied to an area
A measure of how fast particles are moving
An atom with either a positive or negative charge