3 years ago

How many electrons are there in the only energy level of helium, a noble gas? * Two Three Six Eight

Chemistry

1 answer:

Lera25 [3.4K]3 years ago

6 0

Answer:

Explanation:

Noble gases are the least reactive of all known elements. That's because with eight valence electrons, their outer energy levels are full. The only exception is helium, which has just two electrons.

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How many electrons are there in the only energy level of helium, a noble gas? * Two Three Six Eight​

How many electrons are there in the only energy level of helium, a noble gas? * Two Three Six Eight