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10th CBSE
IMPORTANT
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Modern periodic table is based on

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Important Questions on Periodic Classification of Elements

MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 5 - Periodic Classification of Elements>SUMMATIVE ASSESSMENT MOCK TEST>Q 33
The law of triads is not applicable on
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 5 - Periodic Classification of Elements>SUMMATIVE ASSESSMENT MOCK TEST>Q 34
Which of the following elements is a semi-metal?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 5 - Periodic Classification of Elements>SUMMATIVE ASSESSMENT MOCK TEST>Q 35
As we move from left to right in a period in modern periodic table, atomic sizes of the elements generally 
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 5 - Periodic Classification of Elements>SUMMATIVE ASSESSMENT MOCK TEST>Q 36
As we move from top to bottom in a group in modern periodic table, generally atomic size of elements 
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 5 - Periodic Classification of Elements>SUMMATIVE ASSESSMENT MOCK TEST>Q 37
Which group of elements in modern periodic table is referred 'alkali metals'?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 5 - Periodic Classification of Elements>SUMMATIVE ASSESSMENT MOCK TEST>Q 38
Group 17 elements are also called as
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10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 5 - Periodic Classification of Elements>SUMMATIVE ASSESSMENT MOCK TEST>Q 39
Group 18 elements are also called as
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 5 - Periodic Classification of Elements>SUMMATIVE ASSESSMENT MOCK TEST>Q 40
Which three groups of the Periodic table contain the most elements classified as metalloids (semimetals)?