How does electron affinity differ from electronegativity?

Important Questions on Periodic Classification of Elements

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 2

The elements of which group have the highest electron affinities?

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise>Q 1

The position of which of the following elements is not fixed in the periodic elements:

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise>Q 1

Elements in Mendeleev's periodic table have been arranged according to

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise>Q 1

The modern periodic law was proposed by

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise>Q 1

On moving down a group, the metallic character

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise>Q 1

Which of the following depicts the increasing atomic sizes of $\mathrm{Na}, \mathrm{Li}, \mathrm{K}$

HARD

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise>Q 2

The physical and chemical properties of elements belonging to the same group are similar, why?

HARD

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise>Q 3

Hydrogen should be placed in which group and which period? Give reasons.