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17 Cards in this Set

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a shorthand way to write the name of an element
chemical symbol
atomic particle with no charge that is part of an atoms nucleus
necleus
negatirely charged particles that move around the nucleus of an atom
electron
atomic particle with a positive charge that is part of an atoms nucleus
proton
particle with no change that is part of an atoms nucleus
neutron atomic
the number of protons in an atoms nucleus
atomic number
region where electrons must probably are found surroundding the nucleus
electron cloud
very small particles of matter that makes up protons and neutrons
quark
sum of the number of protons and neutrons is an atoms necleus
mass number
atoms of the same element that have different numbers of neutrons
isotope
a table of the elements arranged according to repeaded changes in properties
periodic table
in the periodic table each of the 18 vertical columns of elements each group
group
a diagram to represent electrions in the outer energy level of an atom
dot diagram
a horizontal row in the periodic table
period
element usually having these common propeties shiny good conductors
metal
elements that usally are gasses of brittle solids a room temperature
nonmetal
elements having properties of both metals and non metals
metalloid