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7th Tamil Nadu Board
IMPORTANT
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Which of the following is a short and scientific way of representing one molecule of an element or compound?

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Important Questions on Matter Around Us

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7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 3 - Matter Around Us>Evaluation>Q I
The metals which is a liquid at room temperature:
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7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 3 - Matter Around Us>Evaluation>Q I
An element which is always lustrous, malleable and ductile.
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7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 3 - Matter Around Us>Evaluation>Q II
The smallest particle of matter that can exist by itself _____.
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7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 3 - Matter Around Us>Evaluation>Q II
_____ (Symbols/Letters) of some elements are derived from Latin or Greek names of the elements.
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7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 3 - Matter Around Us>Evaluation>Q II
There are _____ number of known elements.
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7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 3 - Matter Around Us>Evaluation>Q II
Elements are the _____ form of pure substances. (simplest/complex)
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7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 3 - Matter Around Us>Evaluation>Q II
The first letter of an element always written in _____ letter.
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7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 1>Chapter 3 - Matter Around Us>Evaluation>Q II
A molecule containing more than three atoms are known as _____. (monoatomic/polyatomic)