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21 Cards in this Set

  • Front
  • Back
Energy Levels
the areas outside the nucleus where the electrons revolve around the nucleus
Heavy subatomic particle found in the nucleus with a positive electrical charge
Heavy subatomic particle found in the nucleus with a neutral or no electrical charge
Very light subatomic particle found in energy levels or clouds with a negative electrical charge
Atomic Mass
Equal to the mass of the protons and neutrons in the nucleus of the atom
Atomic number
equal to the number of protons in the nucleus of an atom.
an atom with a different number of neutrons that the normal number.
a horizontal row of elements on the periodic table.
a vertical row of elements on the periodic table
Alkali metals
very reactive metals in group 1
Alkaline Earth metals
reactive metals in group 2 that form many useful compounds
Transition Metals
Metals that form subgroups in the middle of the periodic table. They don't always follow normal bonding rules.
very reactive nonmetals found in group 17
Noble gases
gases in group 18 that are not reactive and form no compounds on their own.
the outer energy level of an atom. The bonding electrons are found in this level.
Chemical bond
the force of electrical attraction that holds atoms together to form a compound
Formed when a atom gains or loses electrons form the valance. If they lose they are are positive and if they gain they are negative
Ionic bonding
bonding between atoms where the electrons are lost and gained
covalent bonding
bonding between atoms where the electrons are shared
the flow of electrons within a substance
Metallic bond
occurs when positive charged metal ions are attracted to the electrons in a metal