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- 1. Multiple Choice
Covalent bonding involves
metal atoms losing and gaining electrons
non-metal atoms losing electrons
non-metal atoms sharing electrons
metals gaining electrons
- 2. Multiple Choice
An sulphur atom has 6 valence electrons. Two sulphur atoms will bond by forming a
single covalent bond
double covalent bond
triple covalent bond
ionic bond
- 3. Multiple Choice
The diagram shows the electron dot/cross diagram for phosphorous trichloride. Which one of the following best describes the bonds?
3 single bonds
3 double bonds
1 single and 2 double bonds
2 single and 1 double bond
- 4. Multiple Choice
The Lewis structure for silicon disulphide is shown. Which one of the following is correct?
there are four single bonds
a total of 4 electrons are bring shared
there are two single bonds
a total of 8 electrons are being shared
- 5. Multiple Choice
Bromine atoms form the molecule Br2. Each bromine atom has 7 valence electrons. How many electrons will each bromine atom share with the other bromine atom?
1
2
3
7
- 6. Multiple Choice
Carbon and hydrogen for the compound shown in the diagram. Which one of the following best represents the formula of the covalent compound?
C2H5OH
CH6CO
H6C2OH
COHC4H4
- 7. Multiple Choice
Which one of the following is the correct Lewis dot structure for sulphur difluoride?
A
B
C
D
- 8. Multiple Choice
Which one of the following is the correct Lewis structure for the nitrogen molecule (N2)?
A
B
C
D
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