grade 9 science covalent bonding
Authored by Vojtech Markus
Chemistry, Science
9th Grade
NGSS covered
Used 270+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Covalent bonding involves
metal atoms losing and gaining electrons
non-metal atoms losing electrons
non-metal atoms sharing electrons
metals gaining electrons
Tags
NGSS.HS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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 QUESTION
1 min • 1 pt
Which one of the following is the correct Lewis dot structure for sulphur difluoride?
A
B
C
D
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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