What are representative elements?

Important Questions on Periodic Classification of Elements

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>MOCK TEST - 2>Q 12

What are the names given to group $\mathrm{1,} 2, \mathrm{13,} \mathrm{14,} \mathrm{15,} \mathrm{16,} 17$ and $18$?

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>MOCK TEST - 2>Q 12

What are transition elements?

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>MOCK TEST - 2>Q 13

Name the elements for which Mendeleev had left gaps in his periodic table.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>MOCK TEST - 2>Q 13

Why Mendeleev did not mention about inert gases?

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>MOCK TEST - 2>Q 13

Why Mendeleev left some gaps in his periodic table?

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>MOCK TEST - 2>Q 14

Define periodic classification.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>MOCK TEST - 2>Q 14

What was the classification made by Lavoisier?

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 5 - Periodic Classification of Elements>MOCK TEST - 2>Q 14

What are the postulates of atomic theory? Who gave this theory?