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Q5 of 40 Page 128

The valency of Argon is ___________.

0

Since, argon is a noble gas thus its valency is zero.

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3

__________ isotope is used in the treatment of goitre.

4

The number of neutrons present in ⁷₃LI is ___________.

1

Match the following:

1

Match the following:

Questions · 40

5. Atomic Structure

1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 1 1 1 1 1 1 2 3 4 5 1 2 3 4 5 1 2 3 1 2 3 1 2 3

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