The horizontal rows in a periodic table are called .

Important Questions on Periodic Classification Of Elements

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Very Short Answer Type Questions>Q 15

Group 17 elements are known as _____.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 16

What is meant by (i) a group, and (ii) a period, in a periodic table?

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 16

How many periods and groups are there in the long form of periodic table?

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 16

Give two examples of group $1$ elements.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 16

Give two examples of group $17$ elements.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 16

Give two examples of group $18$ elements.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 17

In the modern periodic table, which are the metals among first ten elements?

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Short Answer Type Questions>Q 17

What is the significance of the atomic number in the modern classification of elements. Explain with the help of an example.