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