Sept 2019 Protons, Neutrons, Electrons Quiz - εξέταση
- 1. What is the atomic number of nickel?
A) 10
B) 28
C) 58
D) 59
- 2. How many protons does calcium have?
A) 12
B) 20
C) 20.1
D) 40.1
- 3. How many electrons does calcium have?
A) 20
B) 7
C) 3
D) 6.9
- 4. What is the atomic number of oxygen?
A) 7
B) 6
C) 16
D) 8
- 5. What is the atomic number of copper?
A) 29
B) 64
C) 63
D) 35
- 6. How many protons does copper have?
A) 29
B) 14
C) 9
D) 5
- 7. How many electrons does copper have?
A) 19
B) 29
C) 1
D) 10
- 8. What is the atomic number of americium (Am)?
A) 6
B) 95
C) 243
D) 148
- 9. What is the atomic number of tungsten (W)?
A) 74
B) 110
C) 184
D) 183.9
- 10. How many neutrons does Boron have
A) 4
B) 3
C) 5
D) 6
|