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21 Cards in this Set

  • Front
  • Back
negatively charges subatomic particle
ELECTRON
smallest part of an element that has the properties of the element
ATOM
region around the nucleus
ELECTRON CLOUD
location of electrons
ELECTRON CLOUD
subatomic particles
PROTONS, NEUTRONS and ELECTRONS
subatomic particle with a negative charge
ELECTRON
subatomic particle with a positive charge
PROTON
subatomic particle with no charge
NEUTRON
location of protons
NUCLEUS
location of neutrons
NUCLEUS
8 valence electrons
OCTET
electrons in the outermost energy level
VALENCE ELECTRONS
outermost energy level of the electron cloud
VALENCE SHELL
the number of neutrons equals...
MASS#-ATOMIC#
the number of protons equals...
ATOMIC #
the number of electrons in a neutral atom equals...
ATOMIC #
central core of an atom
NUCLEUS
atoms of the same element with different numbers of neutrons
ISOTOPE
sum of the number of protons and neutrons
MASS #
subatomic particle that, if changed, changes the element
PROTON
letter or letters used to represent an element
SYMBOL