State Mendeleev's periodic law.

Important Questions on Periodic Classification Of Elements

HARD

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Long Answer Type Questions>Q 28

What chemical properties of elements were used by Mendeleev in creating his periodic table.

HARD

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Long Answer Type Questions>Q 28

State any three limitations of Mendeleev's classification of elements. 

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Long Answer Type Questions>Q 28

Besides gallium, which two other elements have since been discovered for which Mendeleev had left gaps in his periodic table?

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Long Answer Type Questions>Q 28

Which groups of elements were missing from Mendeleev's original periodic table?

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Long Answer Type Questions>Q 29

State modern periodic law.

HARD

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Long Answer Type Questions>Q 29

How does the electronic configuration of the atom of an element relate to its position in the modern periodic table?

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Long Answer Type Questions>Q 29

How could the modern periodic law remove various anomalies of Mendeleev's periodic table? Explain with examples.

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 5 - Periodic Classification Of Elements>Long Answer Type Questions>Q 29

Is it possible to have an element having atomic number $1.5$ placed between hydrogen and helium.