Question

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what's helium?

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Answer 1

Answer:

A very light colourless gas that doesn't burn, often used to fill object that float in the air (balloons).

Answer 2

Answer:

Helium is a Element. It's atomic no. is 2.

It atomic mass is 4u. It is colorless, odourless, tasteless gas.

It is first in the noble gas group in the periodic table.