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Atoms Quiz
供稿人: Jones
  • 1. The atoms has how many subatomic particles?
A) 2
B) 3
C) 1
D) 4
  • 2. Which particle has a positive charge?
A) element
B) proton
C) electron
D) neutron
  • 3. Which particle has a negative charge?
A) neutron
B) element
C) proton
D) electron
  • 4. Which particle has a neutral charge (no charge)?
A) proton
B) electron
C) element
D) neutron
  • 5. What is the center of the atom called?
A) nucleus
B) electron cloud
C) heart of the atom
D) neutron
  • 6. What is the charge of the electron cloud?
A) neutral (no charge)
B) positive
C) negative
D) both positive and negative
  • 7. What is the charge of the nucleus?
A) positive
B) both positive and negative
C) neutral
D) negative
  • 8. Where in the atom is the most mass contained?
A) heart of the atom
B) both the nucleus and the electron cloud
C) electron cloud
D) nucleus
  • 9. Which scientist is credited for discovering the neutron?
A) Thomson
B) Dalton
C) Chadwick
D) Bohr
  • 10. Who was the Greek philosopher that discovered the atom?
A) Dalton
B) Rutherford
C) Thomson
D) Democritus
  • 11. Which scientist is credited for discovering the electron?
A) Thomson
B) Democritus
C) Dalton
D) Rutherford
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