MCQs On Periodic Classification OF Elements

Periodic Classification OF Elements

Prepared By: Saif-ur-Rehman Chachar

Question 1:   The properties of an element in the periodic table depends on its, ________.
1. atomic size
2. atomic mass
3. electronic configuration
4. number of protons

Question 2:   An element has configuration 2, 8, 1. It belongs to, _________.
1. 1 group and 3rd period
2. 3 group and 1st period
3. 1 group and 8th period
4. 17 group and 3rd period

Question 3:   The number of electrons in the valence shell is equal to its ________.
1. atomic mass
2. group number
3. period number
4. atomic volume

Question 4:   The non-metallic element present in the third period other than sulphur and chlorine is _______.
1. oxygen
2. fluorine
3. nitrogen
4. phosphorus

Question 5:   At the end of each period the valence shell is __________.
1. incomplete
2. half filled
3. singly occupied
4. completely filled

Question 6:   The family of elements having seven electrons in the outermost shell is ______.
1. alkali metals
2. alkaline earth metals
3. halogens
4. noble gases

Question 7:   Which of the following factors does not affect the metallic character of an element?
1. Atomic size
2. Ionisation potential
3. Electronegativity
4. Atomic radius

Question 8:   The family of elements to which potassium belongs is _________.
1. alkali metals
2. alkaline earth metals
3. halogens
4. noble gases

Question 9:   The modern periodic table is given by ________
1. Mendeleev
2. Einstein
3. Bohr
4. Mosley

Question 10:   Elements belonging to groups 1 to 17 are called __________.
1. noble gases
2. normal elements
3. transition elements
4. inner transition elements

Question 11:   A liquid non-metal is ___________.
1. phosphorous
2. mercury
3. bromine
4. nitrogen

Question 12:   The first alkali metal is _________.
1. hydrogen
2. lithium
3. sodium
4. francium

Question 13:   A purple coloured solid halogen is ________.
1. chlorine
2. bromine
3. iodine
4. astatine

Question 14:   Lanthanides and actinides are also called ___________.
1. normal elements
2. transition elements
3. noble gases
4. inner transition elements

Question 15:   The family of elements to which calcium belongs is __________.
1. alkali metals
2. alkaline earth metals
3. halogens
4. noble gases