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Unit Terms Ch. 11/12

TermDefinition
Proton A subatomic particle that has a positive charge & that is located in the nucleus of a atom.
Neutron A subatomic particle that has no charge and that is located in nucleus of an atom.
Electron A subatomic particle that has a negative charge.
Period A horizontal row of elements in the periodic table.
Group A vertical column of elements in the periodic table.
Family Has own characteristic properties depending on the numbers of valence electrons.
Atomic Mass The mass of an atom expressed in atomic mass units.
Atomic Numbers The number of protons in the nucleus of an atom.
Noble Gas One of the elements of Group 18 of the periodic table;unreative.
Zig-Zag Line Lines formed by short sharp turn.
Natural Elements The basic fundamental elements that make up our world.
Synthetic Elements A unstable element.
Isotope Any 2 or more forms of a chemical element.
Ion An atom or molecule w/ a net electromagnetic due to the loss of one or more electrons.
Created by: kemi_olukotun5
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