Chapter 5,6 Science Test

element in group 1A of the periodic table, not including hydrogen.

Tags

NGSS.HS-PS1-1

the elements in group 2A of the periodic table.

one-twelfth the mass of a carbon-12 atom

a column of elements in the periodic table.

elements in group 7A of the periodic table.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

elements with properties that fall between those of metals and nonmetals.

elements that are good conductors of heat and electric currents.

Tags

NGSS.HS-PS2-5

elements in group 8A of the periodic table.

elements that are bad conductors of heat and electric currents.

a row in the periodic table of elements the time required for one complete cycle of a periodic motion a unit of geologic time into which geologists divide eras.

Tags

NGSS.HS-PS1-1