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- 1. Multiple Choice
Protons and neutrons are collectively known as _______ ?
Electrons
Nucleons
Atoms
Neutrons
- 2. Multiple Choice
What is the Valency of Calcium?
5
4
1
2
- 3. Multiple Choice
________ is the number of atoms present in one molecule of an element.
Atom
Valency
Atomic number
Atomicity
- 4. Multiple Choice
What is the electronic configuration of Chlorine?
2,8,1
2,8,7
2,8,5
2,4
- 5. Multiple Choice
Carbon is ______ ?
Monovalent
Tetravalent
Bivalent
- 6. Multiple Choice
What is the symbol of Fluorine?
Fl
FL
F
Fo
- 7. Multiple Choice
What is the valence shell for Potassium
L
M
K
N
- 8. Multiple Choice
Neutrons are ______ charged.
Positively
Negatively
Neutrally
- 9. Multiple Choice
+1 is the charge of which ion
Mg
Cl
Na
P
- 10. Multiple Choice
Which of the following will have trivalent valency?
N
B
Al
P
All of the above
- 11. Multiple Choice
Atomicity of NH4OH is ______ ?
7
9
10
4
- 12. Multiple Choice
Frame formulae for Nitric acid:
HNO3
H2NO3
H2(NO)2
- 13. Multiple Choice
How many atoms are present in one molecule?
7
9
10
4
- 14. Multiple Choice
Which of the following polyatomic Ion is a cation?
Sulfate ion
Hydroxide ion
Aluminum ion
Ammonium ion
- 15. Multiple Choice
Atomicity of phosphorus molecule is 8.
True
False
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