EASY
10th Chhattisgarh Board
IMPORTANT
Earn 100

What was the basis of the classification of elements as done by Lothar Meyer?

Important Questions on Periodic Classification of Elements

EASY
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 2
Write the names and symbols of the first four elements found in groups I and II of Mendeleev’s periodic table?
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 3

Some spaces were left empty in Mendeleev’s periodic table. Write the names of the elements that were later placed in these gaps.

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 4
Name the two elements whose atomic weights were corrected by Mendeleev.
EASY
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 5
Why were inert gases placed in a separate group? Write the reasons.
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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise 1>Q 1
Lithium, Beryllium, Boron, Carbon and Nitrogen are placed in a same period. Can you tell the number of period to which they belong?
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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Exercise 1>Q 2
Can you tell how many elements will be present in the third period?
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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 1
According to the modern periodic table the properties of an element are a periodic function of what?
EASY
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 2

What will be the number of elements in the second period?