biology finals quiz-- part one<3

positively or negatively charged atoms

Tags

NGSS.HS-PS2-4

atoms of the same element that differ in the number of neutrons they contain

the center of the atom

Tags

NGSS.HS-PS1-8

a substance by the chemical combination of two or more elements in definite proportions

a force that produces a weak attraction between molecules when they are very close together

a bond between atoms in which the electrons are shared

Tags

NGSS.HS-PS1-1

when one or more electrons are transferred from one atom to another

a pure substance that consists entirely of one type of atom

a basic unit of matter

Tags

NGSS.MS-PS1-1

a means and tomos means