Electronic Configuration Recommended PYQs (STRICTLY NCERT Based) Classification of Elements and Periodicity in Properties Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Match the element in Column I with that in Column II.

	Column-I		Column-II
(a)	Copper	(i)	Non-metal
(b)	Fluorine	(ii)	Transition metal
(c)	Silicon	(iii)	Lanthanoid
(d)	Cerium	(iv)	Metalloid

	(a)	(b)	(c)	(d)
1.	(ii)	(iv)	(i)	(iii)
2.	(ii)	(i)	(iv)	(iii)
3.	(iv)	(iii)	(i)	(ii)
4.	(i)	(ii)	(iii)	(iv)

Subtopic: Modern Periodic Table & Periodicity | Electronic Configuration |

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Be²⁺ is isoelectronic with which of the following ions?
1. $H^{+}$
2. $L i^{+}$
3. $N a^{+}$
4. $M g^{2 +}$

Subtopic: Electronic Configuration |

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Amongst the elements with the following electronic configurations, which one of them may have the highest ionisation energy?

1. $[N e]$ $3 s^{2}$ $3 p^{3}$

2. $[N e]$ $3 s^{2}$ $3 p^{2}$

3. $[A r]$ $3 d^{10}$ $4 s^{2}$ $4 p^{3}$

4. $[N e]$ $3 s^{2}$ $3 p^{1}$

Subtopic: Ionization Energy (IE) | Electronic Configuration |

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Among the following, the most characteristic oxidation states for lead and tin are, respectively:

1. +4, +2

2. +2, +4

3. +4, +4

4. +2, +2

Subtopic: Electronic Configuration |

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If an atom has electronic configuration 1s²2s²2p⁶3s²3p⁶3d³4s², we will place it in group number:

1.	Fifth	2.	Fifteenth
3.	Second	4.	Third

Subtopic: Electronic Configuration |

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