Transcribed Image Text: Posttest
Direction: Read each question carefully. Choose the letter of the correct answer
and write it on the space provided before the number.
1. Which is the smallest particle of matter?
2. Which of the following is an example of a molecule?
3. Which subatomic particle is found revolving around the nucleus of an atom?
B. Neutron C. Nucleon
4. Who discovered the neutron in 1932?
C. Ernest Rutherford
D. Joseph John Thomson
_ 5. Which indicates the number of protons and the number of electrons?
C. Number of Neutrons
B. James Chadwick
A. Mass number
B. Atomic Number.
D. Number of Molecules
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