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