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