Use a periodic table for reference
reference, as need
atomic theory
sc 8.7.8.7
hich statement is a part of dalton's a
theory?
a. atoms are composed op
and electrons.
b. elements can have at
e composed of protons, neutrons,
tents can have atoms that are isotopes.
c. one type of atom cannot be changed to
another type by a chemical reaction.
d. electrons move around the nucleus in an
electron cloud.