Which of the following explains how one of the postulates in John Dalton's atomic theory later became robust knowledge? (5 points) O Some scientists found that some atoms of a particular element have different number of neutrons.
O Various scientists found that atoms combine in simple whole number ratios to form compounds.
O Some scientists found that atoms consist of subatomic particles with varying mass and charge.
O Various scientists found that sometimes a fraction of an atom can take part in a chemical reaction.