Noble Gases

Front

What are noble gases?

Back

Noble gases are a group of chemical elements that are odorless, colorless, monatomic gases with very low chemical reactivity. They include helium, neon, argon, krypton, xenon, and radon.

Front

Which noble gas is the lightest?

Back

Helium is the lightest noble gas.

Front

Which noble gas is commonly used in neon signs?

Back

Neon is commonly used in neon signs.

Front

What is the atomic number of Argon?

Back

The atomic number of Argon is 18.

Front

Why are noble gases considered inert?

Back

Noble gases are considered inert because they have a full outer electron shell, which makes them stable and unlikely to react with other elements.

Front

Which noble gas is used in light bulbs to prevent filament oxidation?

Back

Argon is used in light bulbs to prevent filament oxidation.

Front

What is the heaviest noble gas?

Back

Xenon is the heaviest noble gas.

Front

What property of noble gases makes them useful in high-altitude balloons?

Back

Noble gases are lighter than air, making them useful in high-altitude balloons.

Front

Which noble gas is radioactive?

Back

Radon is a radioactive noble gas.

Front

What is the common use of Krypton in technology?

Back

Krypton is used in some types of photographic flashes and in high-performance light bulbs.