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- 1. Multiple Choice
1. Which of the following show the CH4?
- 2. Multiple Choice
2. Which of the following show the H2?
- 3. Multiple Choice
3. Which of the following show the H2O?
- 4. Multiple Choice
4. Which of the following show the NH3?
- 5. Multiple Choice
5.Particles in solids have large intermolecular spaces
between them
True
False
- 6. Multiple Choice
6.Particles of gases have more kinetic energy than
particles of liquids
True
False
- 7. Multiple Choice
7.Particles of solids vibrate in their own places
True
False
- 8. Multiple Choice
8. The force of attraction amongst the particles
in a liquid is stronger than that in solids
True
False
- 9. Multiple Choice
9. Elements with similar properties are found
in columns(vertical) called___________.
Period
Group
- 10. Multiple Choice
10. The 7 horizontal rows in the
periodic table are called__________
Period
Group
- 11. Multiple Choice
11. Non-metals are placed on the _________side of
the periodic table.
right
left
- 12. Multiple Choice
12. The metals are placed on the _________side
of the periodic table.
right
left
- 13. Multiple Choice
13. Elements in the periodic table are arranged according to increasing ________________
Atomic number
Atomic mass
- 14. Multiple Choice
14. Elements in the same group have
the same number of valence ____________
protons
electrons
neutron
nucleus
- 15. Multiple Choice
15. How to compute the atomic mass of an atom?
protons + electrons
protons + neutrons
neutrons + electrons
- 16. Multiple Choice
16. Atomic number is equal to the number of protons and electrons of an element.
True
False
- 17. Multiple Choice
17. Bohr's model atom can explain the stability of an atom which other models of an could not.
True
False
- 18. Multiple Choice
18. If an atom has an atomic number of 19. How many electrons this atoms has?
18
17
19
20
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