Chemistry: Atomic Structure

#Chemistry #grade9, #grade10, #grade11 This quiz is focused on #AtomicStructure, including the changing model of the atom, law of definite proportions, and conservation of mass....

The term “atom” comes from the Greek philosopher named?

Aristotle Democritus Galileo Socrates
Which of Dalton’s postulates incorporates the Law of Conservation of Mass?

All matter is composed of atoms Atoms from the same elements are identical. Atoms can be combined, separated, or rearranged. Atoms are indivisible.
Oxygen and carbon always combine in a 1:2 mass ratio. This is an example of which law?

Law of Conservation of Mass Law of Definite Proportions Law of Definite Mass Law of Conservation of Proportions
Which of Dalton’s postulates required revision?

Atoms are indivisible Atoms combine in whole number ratios. Atoms of one element differ from atoms of another element. Atoms can be combined, separated, or rearranged.
Experiments with the cathode ray resulted in the discovery of?

Atoms Electrons Protons Neutrons
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