Assertion and reasoning: Features of periods — task. Science State Board, Class 10.

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Answer the following questions using the data given below:

1.

Assertion:	Rubidium element present in the fifth period of the periodic table.
Reason:	Because it has atomic number thirty seven.

The assertion is incorrect, but the reasoning is correct.
Assertion and reason are correct, reason doesn't explains the assertion
Assertion and reason are correct, reason explains the assertion
The assertion is correct, but the reasoning is wrong

2.

Assertion:	Francium element present in the seventh period of the periodic table.
Reason:	Because it has atomic number eighty-seven.

Assertion and reason are correct, reason doesn't explains the assertion
The assertion is incorrect, but the reasoning is correct.
The assertion is correct, but the reasoning is wrong
Assertion and reason are correct, reason explains the assertion

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