Noble Gases

Which noble gas is most commonly used in the insulation of double-glazed windows?

• Helium

• Neon

• Argon

• Krypton

Answer explanation

Argon is the most commonly used noble gas in the insulation of double-glazed windows due to its low thermal conductivity, making it an effective insulator.

Tags

NGSS.MS-PS3-3

Which noble gas is used in the treatment of respiratory conditions, like asthma?

• Helium

• Neon

• Argon

• Xenon

Answer explanation

Xenon is the noble gas used in the treatment of respiratory conditions, like asthma, due to its anesthetic properties and ability to dilate airways.

What is the primary use of helium?

• In lightbulbs

• In balloons and airships

• In refrigeration

• In lasers

Answer explanation

Helium is primarily used in balloons and airships for its low density and non-flammable properties, making it ideal for lifting objects.

With the exception of Helium, noble gases have ____ valence electrons.

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

Noble gases have a full outermost valence shell.

• True

• False

Tags

NGSS.HS-PS1-1

Noble gases are colorless gases that are extremely ______.

• rare

• unreactive

• dangerous

Noble gases are inactive because their outermost energy level is ______.

• full

• closed

• empty

Tags

NGSS.HS-PS1-1

Noble gases are called _____ because they do not combine with other elements in nature.

• rare

• unert

• inert

The noble gases are found in small amount in earth's ____.

• crust

• water

• atmosphere

• soil

Helium has____ valence electrons.

• 2

• 4

• 6

• 8