WorksheetsCovalent bonding
Total questions: 14
Worksheet time: 7mins
Which of the elements will be the central atom in the lewis structure of CHCl3
carbon
hydrogen
chlorine
any of the above choices
How many bonding pairs are there in the lewis structure of CHCl3 molecule?
2
3
4
8
How many lone pairs are there in the lewis structure of CHCl3 molecule?
0
3
9
18
Which of the elements will be the central atom in the lewis structure of HCN molecule?
H
C
N
any of the above choices
How many bonding electrons are there in the lewis structure of HCN molecule?
2
4
8
10
How many nonbonding pairs are there in the lewis structure of HCN molecule?
0
1
2
4
Which of the elements will be the central atom in the lewis structure of NOCl (nitrosyl chloride) molecule?
nitrogen
oxygen
chlorine
hydrogen
How many bonding pairs does the central atom of NOCl molecule have?
1
2
3
4
How many nonbonding pairs does the central atom of NOCl have?
1
2
3
4
Which of the elements will be the central atom in the lewis structure of CH2O molecule?
carbon
hydrogen
oxygen
nitrogen
How many bonding electrons are there in the lewis structure of CH2O molecule?
3
4
6
8
How many nonbonding electron pairs are there in the lewis structure of CH2O molecule?
0
2
4
8
The following compounds are covalently bonded EXCEPT
CaCl2
Cl2
NaCl
HCl
The following compounds are covalently bonded EXCEPT:
LiCl
MgCl2
BCl3
CCl4
