EASY
JEE Main/Advance
IMPORTANT
Earn 100

Which of the following is affected by the stable electron configuration of an atom?

(a) Electronegativity

(b) lonisation enthalpy

(c) Electron gain enthalpy

Correct answer is:

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Important Questions on Classification of Elements and Periodicity in Properties

EASY
JEE Main/Advance
IMPORTANT
The electronegativity values of C, N, O and F on Pauling scale:
EASY
JEE Main/Advance
IMPORTANT
Correct order of electronegativity of N, P, C and Si on Pauling scale is:
EASY
JEE Main/Advance
IMPORTANT
The correct order of electronegativity on Pauling scale is:
EASY
JEE Main/Advance
IMPORTANT
Which of the following is most electronegative element?
EASY
JEE Main/Advance
IMPORTANT
The most common oxidation state of an element is -2. The number of electrons present in its outer most shell is:
EASY
JEE Main/Advance
IMPORTANT
Which of the following explanations justifies not placing hydrogen in either the group of alkali metals or halogens?
MEDIUM
JEE Main/Advance
IMPORTANT
Hydrogen accepts an electron to form an inert gas configuration. In this it resembles:
HARD
JEE Main/Advance
IMPORTANT

(a) Explain why is sodium less reactive than potassium?

(b) IE1 value of Mg is more than that of Na while it's IE2 value is less. Explain?