Science Vocab Ch5 Flashcards
a chart that arranges elements having similar
properties into the same groups
Periodic Table
a property of matter that can be either positive,
negative, or neutral
Electrostatic Charge
the attractive force that holds the nucleus of an atom
together
Strong Force
the number of protons in one atom of a particular
element
Atomic Number
the number of protons plus the number of neutrons in one
atom
Atomic Mass
a location of electrons surrounding the nucleus
in the atom
Electron Energy Level
a horizontal row on the periodic table
Period
a group of elements that have similar properties
Chemical Family
an electron in the outermost energy level of an atom
Valence Electron
an element that is typically shiny and hard and a good conductor
of heat and electricity
Metal
an element that is typically dull and brittle and a poor
conductor of heat and electricity
Nonmetal
a figure in which dots around an element’s symbol
represent valence electrons
Electron Dot Diagram