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1

Period:

Non-metal

Category:

Phase at room temperature:

Gas

Noble Gases #18

Group name and number:

Color and Texture:

odorless, tasteless, and colorless

Malleability and ductility:

It has no malleability or ductility

Atomic number

Temperatures

Summary

Melting point:

-272.20°C, -457.96°F

Boiling point:

Helium the second element in the periodic table. It is in the noble gas family and it's in the first period. Also, helium's symbol is He. It was found in India, 1868 by Pierre Janssen. It is used in many different ways as you could see this element is used for mostly human activities.

-268.93°C, -452.07°F

Element name

Symbol

Atomic mass

Pierre Janssen

Three uses/applications of this element.

Who discovered it?

1868

When was it discovered?

Used in balloons and airships to make them fly.

India

Where was it discovered?

A mixture of 80% helium and 20% oxygen is used as an artificial atmosphere for deep-sea divers and others working under pressurised conditions.

Helium is also used to detect leaks, such as in car air-conditioning systems, and because it diffuses quickly it is used to inflate car airbags after impact.

By: Anna Marie Scherer

The Lightest Noble Gas

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