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I. Remembering the Content.
A. TRUE or FALSE. Write T if the statement gives an accurate information and F if information stated is incorrect.

1. The electron is the most massive subatomic particle of the atom
2. The proton in the nucleus are held together by a weak nuclear force.
3. J.J. Thomson proposed the nuclear model of the atom
4. Chemistry is a modern science that came only when there was experimental equipment
5. Atoms of the same element have the same number of protons,
6. The mass numbers of atoms of the same element are always the same
7. The charge of the electrons are neutral
8. The number of neutrons and electrons are the same in a neutral atom
9. Boron with an atomic number of 5 has 5 electrons
10. The radius of the atom is very wide​