The sum of the protons and neutrons in an atom equals the
a.
atomic number
c.
atomic mass unit
b.
nucleus number
d.
mass number

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Compare and contrast the bohr model and the electron cloud models of the atom.

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —