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WorksheetsG9 Quiz
Total questions: 15
Worksheet time: 11mins
1. What type of hydrocarbon contains a benzene ring?
A. Alkane
b. Alkene
c. Alkyne
d. Aromatic
2. In ionic bonding, lithium reacts with oxygen forming Li2O. What will be its chemical name?
a. Lithide oxide
b. Lithium oxide
c. Dilithide oxide
d. Dilithium oxide
3. What do the elements sulfur (S), nitrogen (N), phosphorus (P), and Bromine (Br) have in
common?
a. They are non-metals.
b. They are noble (inert) gases.
c. They have the same number of protons.
d. They have the same thermal conductivity.
4. What functional group is -OH?
a. amino
b. carboxyl
c. carbonyl ketone
d. hydroxyl
5. A type of chemical bond formed when there is a transfer of electrons from one atom to another.
a. Ionic bond
b. Covalent bond
c. Metallic bond
d. Semi-metal bond
6. How many hydrogens are in the methane molecule?
a. 1
b. 2
c. 3
d. 4
7. A double ionic bond denoted by two short lines, is the sharing of two electron pairs.
a. false
b. true
c. sometimes true
d. sometimes false
8. In a compound of NaCl, the molar mass of Na alone is 23 g/mol, the molar mass of CL is 35.5 g/mol, What is the molar mass of NaCl?
a. 58.5 g/mol
b. 30.8 g/mol
c. 56.2 g/mol
d.50 g/mol
9.What is the percentage composition of water CO2?
a. Carbon: 27.27%
Oxygen: 72.73%
b. Carbon: 38.27%
Oxygen: 72.42%
c. Carbon: 32.27%
Oxygen: 45.73%
d. Carbon: 28.27%
Oxygen: 73.73%
10.Which atomic model is proposed by ernest rutherford?
a. Nuclear model
b. Quantum mechanical mode
c. Raisin bread model
d. Planetary model
11. What type of hydrocarbon has the general formula CnH2n-2?
a. Alkane
b. Alkene
c. Alkyne
d. Aromatic
12.Which is the functional group phosphate?
a. -CH3
b. -SH
b. -SH
d. -PO4-
13. These are mainly stabilize the atom and have the same atomic mass as protons, also located near the proton.
a. neutron
b. proton
c. electron
d. atom
14. What three numbers are always the same in a neutral atom?
a. Atomic number, Protons, Electrons
b. Mass number, Protons, Neutrons
c. Protons, Neutrons, Electrons
d. Protons, Neutrons, Mass number
15. Which electron configuration rule where electrons occupy orbitals of lowest energy first?
a. Aufbau Principle
b. Hund’s Rule
c. Pauli Exclusion Principle
d. None of the above
