Why is the size of neon greater than fluorine?

Important Questions on Periodic Table, Periodic Properties and Variations of Properties

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 4

Why is the size of sodium is greater than magnesium?

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 5

Which of the following has the maximum metallic character?

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 6

Arrange $\mathrm{Be}, \mathrm{Li}, \mathrm{C}, \mathrm{B}, \mathrm{N}, \mathrm{O}, \mathrm{F}$ in increasing metallic character.

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 6

Arrange $\mathrm{Si}, \mathrm{Na}, \mathrm{Al}, \mathrm{Mg}, \mathrm{Cl}, \mathrm{P}, \mathrm{S}$ in decreasing non-metallic character.

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 7

State the trend in chemical reactivity across the period left to right.

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 7

State the trend in chemical reactivity down the group.

HARD

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 8

A metal $\mathrm{M}$ forms an oxide having the formula ${\mathrm{M}}_2{\mathrm{O}}_3$. It belongs to third period. Write the atomic number and valency of the metal.

HARD

10th ICSE

IMPORTANT

Selina Icse Concise Chemistry For Class 10>Chapter 1 - Periodic Table, Periodic Properties and Variations of Properties>Intext Questions>Q 9

An element $\mathrm{X}$ belongs to third period and ${17}^{\mathrm{th}}$ group. State the number of valence electrons in it.