ATOMS
THE FUNDAMENTAL PROPERTY OF MATTER THAT CAN BE EITHER POSITIVE OR NEGATIVE.
ELECTRIC CHARGE
MOST ELEMENTS ON THE TABLE ARE METALS. TRUE OR FALSE.
TRUE
THE NUMBER OF PROTONS IN THE NUCLEUS OF AN ATOM.
ATOMIC NUMBER
ATOMIC NUMBER
GROUP 1 ELEMENTS ARE CALLED
ALKALI METALS
A PARTICLE WITH A NEGATIVE ELECTRIC CHARGE AND FOUND OUTSIDE THE NUCLEUS.
ELECTRON
THE ELEMENTS ON THE BORDER OF METALS AND NONMETALS ARE CALLED ______________.
METALLOIDS
THESE ARE ATOMS THAT HAVE A DIFFERENT NUMBER OF PROTONS THAN ELECTRONS AND SO HAVE A NET ELECTRIC CHARGE.
IONS
HORIZONTAL ROW ON THE PERIODIC TABLE
PERIOD
GROUP 2 ELEMENTS ARE CALLED
ALKALINE EARTH METALS
THE TINY CORE AT THE CENTER OF AN ATOM WHICH CONTAINS MORE THAN 99 PERCENT OF THE ATOM'S MASS.
NUCLEUS
METALS OR NONMETALS: THESE ARE TYPICALLY SHINY, AND GOOD CONDUCTORS OF HEAT AND ELECTRICITY.
METALS
ATOMS OF THE SAME ELEMENT THAT HAVE DIFFERENT NUMBERS OF NEUTRONS.
ISOTOPES
VERTICAL COLUMN ON THE PERIODIC TABLE
GROUP
HALOGENS ARE IN THIS GROUP NUMBER
17 OR MAIN GROUP 7
A PARTICLE WITH A POSITIVE CHARGE AND FOUND INSIDE THE NUCLEUS OF THE ATOM.
PROTON
ATOMIC MASS IS USUALLY A DECIMAL BECAUSE...
AVERAGE MASS OF THE ISOTOPES OF THE ATOM
THE NUMBER OF PROTONS PLUS THE NUMBER OF NEUTRONS IN THE NUCLEUS.
MASS NUMBER
PERIODS TELL US THIS ABOUT AN ELEMENT
NOBLE GASES ARE FOUND IN THIS GROUP NUMBER
18 OR MAIN GROUP 8
A PARTICLE WITH NO CHARGE AND FOUND INSIDE THE NUCLEUS OF THE ATOM.
NEUTRON
NONMETALS ARE TYPICALLY FOUND ON THIS SIDE OF THE CHART.
RIGHT
SOLID, LIQUID, OR GAS: MOST ELEMENTS ARE THIS AT ROOM TEMPERATURE,
SOLID
THESE GROUP #'S ARE MAIN GROUP ELEMENTS
1, 2, 13-18
ELEMENTS IN GROUPS 3-12
TRANSITION METALS