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Xenon Oxyfluorides

Which of the ...

Question

Which of the following is the correct sequence of the noble gases in their group in the periodic table?

A

A r, H e, K r, N e, R n, X e

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B

H e, A r, N e, K r, X e, R n

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C

H e, N e, K r, A r, X e, R n

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D

H e, N e, A r, K r, X e, R n

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Solution

The correct option is D $H e, N e, A r, K r, X e, R n$
Sequence of the noble gases is in increasing order of atomic number

$H e = 2$ , $N e = 10$ , $A r = 18$ , $K r = 36$ , $X e = 54$ , $R n = 86$

Option D is correct.

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Similar questions

Q. Which of the following is/are true about - He, Ne, Ar, Kr, Xe, Rn etc. ?

Q. The correct order of solubility in water for

H e, N e, A r, K r, X e

Q. Read below given tabular form and answer the questions.

Element	Electronic configuration	Element	Electronic configuration
$H e$	$1 s^{2}$	$K r$	$4 s^{2} 4 p^{6}$
$N e$	$2 s^{2} 2 p^{6}$	$X e$	$5 s^{2} 5 p^{6}$
$A r$	$3 s^{2} 3 p^{6}$	$R n$	$6 s^{2} 6 p^{6}$

Why the above elements are inactive in chemical reactions?

Q. Read below given tabular form and answer the questions.

Element	Electronic configuration	Element	Electronic configuration
$H e$	$1 s^{2}$	$K r$	$4 s^{2} 4 p^{6}$
$N e$	$2 s^{2} 2 p^{6}$	$X e$	$5 s^{2} 5 p^{6}$
$A r$	$3 s^{2} 3 p^{6}$	$R n$	$6 s^{2} 6 p^{6}$

Which element has electronic configuration as

n s^{2}

Q. Read below given tabular form and answer the questions.

Element	Electronic configuration	Element	Electronic configuration
He	$1 s^{2}$	Kr	$4 s^{2} 4 p^{6}$
Ne	$2 s^{2} 2 p^{6}$	Xe	$5 s^{2} 5 p^{6}$
Ar	$3 s^{2} 3 p^{6}$	Rn	$6 s^{2} 6 p^{6}$

Write the names of 'noble gas' elements.

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