Worksheetsprep 2 , lesson 2 , electro negativity
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
What is the electronegativity ?
a)
It is the ability of the atom in a covalent molecule to attract the electrons of the chemical bond towards itself.
b)
If the difference in electronegativity between elements
2.
..............It is a covalent compound, in which the difference in electronegativity between its elements is relatively high ?
a)
Metals
b)
Polar compounds
c)
Non polar compounds
3.
• It consists of combination of one oxygen atom with two hydrogen atoms.
a)
Ammonia molecule
b)
Water molecule
4.
Ammonia molecule is consist of ............
a)
one nitrogen atom with three hydrogen
b)
one oxygen atom with two hydrogen
5.
. Water molecule is a polar compound, because the difference in electronegativity between its elements is relatively low
a)
True
b)
false
100 %
