Multiple choice

Which of the following statements regarding helium is false?

  1. It is an inert gas.

  2. It was first discovered in the Sun then on Earth.

  3. It can form interstitial compounds.

  4. It does not have octet of electrons in its outermost shell.

  5. It is the most abundant inert gas in the atmosphere.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Most abundant inert gas in the atmosphere is argon.

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