WorksheetsQuestionnaire 2 Chem (13th)
Total questions: 20
Worksheet time: 18mins
What is the correct formula for this molecule?
NH
N3H
NH3
According to the octet rule most elements need _______ valence electrons.
2
8
6
In the correct Lewis structure for CH4, how many unshared electron pairs surround the carbon?
2
8
0
What is the molecule's geometry?
linear
trigonal planar
trigonal pyramid
What is the molecule's geometry?
trigonal pyramid
linear
bent
angular
Who could this be?
CO2
NH3
H2S
CH4
Is this molecule polar or non-polar?
Polar
Non-polar
What is the molecular shape of the following?
Hexahedral
Square Pyramid
Octahedral
T-Shape
Two carbon atoms form a linear shaped ethene, C2H4, molecule when bonded with four other hydrogen atoms. Prior to bonding, the carbon atom
does not hybridise
undergoes sp hybridisation
undergoes sp2 hybridisation
undergoes sp3 hybridisation
How many sigma bonds are in the following molecule?
5
6
4
Explain what is a sp hybridization. Give an example
Explain what is a sp2 hybridization. Give an example
Explain what is a sp3 hybridization. Give an example
