Periodic Classification of Elements MCQ Question with Answer

Periodic Classification of Elements MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 29
Which of the following has maximum ionisation energy?

Question No : 30
Which of the following has minimum ionisation energy

Question No : 31
Ionisation energy of potassium is $425 k J m o l^{- 1}$ . The minimum frequency of a photon that can effect the ionisation is

96.5 \times 10^{15} s e c^{- 1}

1.065 \times 10^{14} s e c^{- 1}

1.065 \times 10^{12} s e c^{- 1}

1.065 \times 10^{15} s e c^{- 1}

Question No : 32
IV Period has.........elements.

Question No : 33
An element has atomic number 2. It belongs to

O group

III A group

VI group

II B group

Question No : 34
Elements in the same vertical column has same

valence shell electronic configuration

electronic configuration

atomic number of isotopes

atomic size

Question No : 35
Ionisation energy is the amount of energy required to remove

the most loosely bound electron from an isolated gaseous atom

an electron from an atom of an element

an electron from an isolated gaseous atom

an electron from covalently bonded atom in a molecule

Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.