Covalent Bond Between Similar Types of Atoms

Q.

Nitrogen is___ in AlN. (monovalent/trivalent)

Q.

Salt, sugar, chalk and sand are all......................

A.elements

B.compounds

C.mixtures

D.solution

Q. Match the following elements with the number of electron pairs shared between their atoms.

1. 1
2. 2
3. 3

Q.

By giving two examples define covalent bonding.

Q. How many electrons are shared between two oxygen atoms of an oxygen molecule?

1. 2
2. 4
3. 6
4. 8

Q. The electronic configuration of chlorine is:

1. 2, 8, 1
2. 2, 8, 6
3. 2, 8, 7
4. 2, 8, 8

Q. Fill in the blanks :​
............. are made up of same kind of atoms.​

Q.

Why do solids , liquids and gases differ in their physical state?

Q. What is covalency of an element ??

Q. why does nitrogen have a single unpaired electron instead of a lone pair in NO2 molecule?

Q.

Difference between elements and compounds.

Q. ________ needs three electrons to attain the nearest noble gas configuration.

1. Silicon
2. Helium
3. Oxygen
4. Nitrogen

Q. During the formation of hydrogen molecule, the total number of electrons shared by hydrogen atoms is/are:

1. one
2. two
3. three
4. four

Q.

Which type of covalent bond is formed when six electrons are shared?

1. Single Bond

2. Double Bond

3. Triple Bond

4. No Bond

Q. Choose the correct options regarding the type of covalent bond formed in the given elements and compounds.

1. Nitrogen - Triple bond
2. Oxygen - Double bond
3. Hydrogen chloride - Single bond
4. Lithium chloride - Single bond

Q. How many pairs of electrons are shared between two nitrogen atoms of nitrogen molecule?

1. 1
2. 3
3. 4
4. 6

Q. How many pairs of electrons are shared between the two Nitrogen atoms in ${\text{N}}_2$ molecule?

1. 3
2. 6
3. 8
4. 10