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Elem. Chem/Phys 3

Apologia Chemistry Physics Module 3 Vocabulary Cards

Atom Smallest particle of an element
Naturally occurring elements The 94 different elements that God created.
Synthetic elements Man-made elements
Compound Two different elements combined
Alchemists Individual who mix lots of stuff together to make new things.
Charge The strange occurrence when some atoms want to join together and other atoms want to move away from each other.
Protons Positively charged particles
Electrons Negatively charged particles
Atomic Number The number of protons an atom has
Nucleus The center of an atom that contains protons and neutrons
Necleons Protons and neutrons together
Mass number The number of nucleons an atom has
Energy Level Each electron is assigned to a particular energy level called either orbitals or electron shells
Valence Electrons The electrons in the outer shell
Isotopes Atoms with a different number
Anion If the atom has gained electrons
Cation If an atom loses electrons
Created by: jacks6