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10th Chhattisgarh Board
IMPORTANT
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Can you tell how many elements will be present in the third period?

Important Questions on Periodic Classification of Elements

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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?
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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?

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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 3

Can you fix the position of different isotopes of an element in the modern periodic table? Explain.

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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 4
How have the positions of argon and potassium been determined in the modern periodic table?
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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 5
If the atomic number of three elements X, Y and Z are 6, 10 and 18 respectively then, Which of the two elements belong to the same group?
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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 5
If the atomic number of three elements X, Y and Z are 6, 10 and 18 respectively then, Which of the two elements belong to the same period?
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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 1
How will you calculate the valency of an element when its electronic configuration is given?
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10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 4 - Periodic Classification of Elements>Questions>Q 2
How does a valency change when we move down the group?