Which elements are known as representative elements?

Important Questions on Periodic Properties and Their Variations

EASY

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 1 - Periodic Properties and Their Variations>CHECK POINT 02>Q 3

Define diagonal relationship.

EASY

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 1 - Periodic Properties and Their Variations>CHECK POINT 02>Q 4

Name any two noble gases.

EASY

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 1 - Periodic Properties and Their Variations>CHECK POINT 02>Q 5

What is the position of rare earth metals in periodic table?

EASY

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 1 - Periodic Properties and Their Variations>CHECK POINT 03>Q 2

Write the electronic configuration of sodium.

EASY

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 1 - Periodic Properties and Their Variations>CHECK POINT 03>Q 3

How change in valency affects the chemical properties?

EASY

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 1 - Periodic Properties and Their Variations>CHECK POINT 03>Q 5

Why noble gases usually do not react? Explain with the help of electronic configuration.

EASY

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 1 - Periodic Properties and Their Variations>CHECK POINT 04>Q 1

What role does a nucleus play in the variation size within the elements of a period?

MEDIUM

10th ICSE

IMPORTANT

All in One - ICSE Chemistry>Chapter 1 - Periodic Properties and Their Variations>CHECK POINT 04>Q 3

Which one is more electropositive: $\mathrm{L}\mathrm{i}\mathrm{}$ or $\mathrm{N}\mathrm{a}$?