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PhysSci Weeks 1-4 Review

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