Worksheetschemical bonding
Total questions: 5
Worksheet time: 3mins
Which of the following is NOT true of electrovalent compounds?
They are solids
They do not vaporize easily
They conduct electricity
The elements forming the compounds normally have their valence electrons in shared state
Helium atoms are chemically unreactive because
There are no electrons around the nucleus
The Number of protons equals the number of electrons
There are equal number of protons and neutrons in the nucleus
The outer electron shell is completely filled
The weakest attractive forces that can be observed between two molecules is
Ionic
Covalent
Coordinate
VVan Der waals
An element will readily form an electrovalent compound if it's electronic configuration is
2,8,8
2,8,4
2,8,5
2,8,1
How many lone pairs of electron are there on the central atom of the H2O molecule?
1
2
3
4
