Exploring Noble Gases in the Periodic Table

Which property is common among all noble gases?

• They are highly reactive.

• They are colorless and odorless.

• They are all metals.

• They have incomplete valence shells.

Who discovered helium and argon?

• Marie Curie

• Dmitri Mendeleev

• William Ramsey

• Albert Einstein

Which noble gas is known for its use in colorful lights on Broadway and Las Vegas?

• Neon

• Helium

• Argon

• Xenon

What is the primary use of helium in space exploration?

• Creating inert environments

• Lighting

• Powering the OMS

• Fuel for rockets

What color does neon emit when an electric current passes through it?

• Blue

• Green

• Red

• Yellow

Which element is used in high-speed photography lighting?

• Krypton

• Radon

• Neon

• Helium

What is the Big Bang Theory?

• A theory that the universe is static.

• A theory that the universe is eternal.

• A theory that the universe is expanding from a single point.

• A theory that the universe is contracting.

What did Edwin Hubble discover about the universe?

• It is contracting.

• It is expanding.

• It is static.

• It is eternal.

What did the cosmic background radiation discovery support?

• The Big Bang Theory

• The Eternal Universe Theory

• The Steady State Theory

• The Oscillating Universe Theory

What is a black hole?

• A star that has exploded.

• A region of space with infinite density.

• A large planet.

• A type of galaxy.