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Vocab 4
100
the number of protons plus the number of neutrons in one atom
What is atomic mass
100
the number of protons in one atom of a particular element
What is atomic number
100
a group of elements that have similar properties
What is chemical family
100
a figure in which dots around an element’s symbol represent valence electrons
What is electron dot diagram
100
a location of electrons surrounding the nucleus in the atom
What is electron energy level
200
a property of matter that can be either positive, negative, or neutral
What is electrostatic charge
200
an element that usually contains one, two or three valence electrons and that is typically a shiny, hard, good conductor
What is metal
200
an element that usually contains five, six or seven valence electrons and that is typically a dull, brittle, poor conductor
What is nonmetal
200
a horizontal row of the periodic table
What is period
200
a chart that arranges elements having similar properties into the same groups
What is periodic table
300
the attractive force that holds the nucleus together
What is strong force
300
an electron in the outermost energy level of an atom
What is valence electron