Biology terms

Atoms

Protons, Neutrons, and electrons.

a + Positively charged Particles

has neutral particles

a negative charged particles

is composed of protons and neutrons

is the number of protons

are atoms with the same atomic number

is the sum of protons and neutrons in an atom

Atoms that have the same Element that have different atomic mass numbers due to the different numbers of neutrons

have the same number of protons and electrons

Charged Atoms

have more protons than electrons and are positively charged

have more Electrons (-) than Protons (+) and are Negatively (-) charged

loss of an electron

Gain of an electron

are Groups of atoms held together in a stable association

are Molecules containing more than one type of element

molecules containing more than one type of element

Hold together atoms in molecules and compounds

are formed by the attraction of oppositely charged ions

formed when atoms share 3 or more valence electrons