TRUE OR FALSE
1. The electron is the most massive subatomic particle of the atom.
2. The protons 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 were 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 electron is 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.
1. The electron is the most massive subatomic particle of the atom.
2. The protons 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 were 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 electron is 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.
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Answer:
1.TRUE
2.TRUE
3.TRUE
4.FALSE
5.FALSE
6.TRUE
7.FALSE
8.TRUE
9.TRUE
10.TRUE