What is the basis of Mendeleev’s periodic law?

Important Questions on Periodic Classification of Elements

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 3

Why is the atomic number the basis of the modern periodic law?

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 4

What are the vertical columns in the periodic table called?

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 5

What are the horizontal rows in the periodic table called?

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 6

How many vertical columns are there in the periodic table? (Write in numbers)

EASY

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 7

How many horizontal rows are there in the periodic table?( $7$/ $8$/$18$ )

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 8

An element of group 14 has atomic number 14. Examine if this element will have metallic properties or not.

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 9

Name two other elements which are in the same family as carbon (C).

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Chemistry FOR CLASS 10>Chapter 1 - Periodic Classification of Elements>EXERCISES>Q 10

Name the factor that determines which element will be the first and which the last in a period of the periodic table.