Noble Gases

By:

Kelli Major

Matt Dietzman

What Elements are in your group?

• Helium

• Neon

• Argon

• Krypton

• Xenon

• Radon

Why are they in a group? What do they have in common?

• they are all – Odorless– Colorless– Low chemical reactivity– Low boiling and melting points

Are there any exceptions in this group?

• Yes, ununoctium is an artificial element.

Are they metals, nonmetals, or metalloids?

• They are nonmetals

What state do they exist in at room temperature?

• They are all in a gas state

Are there any trends with in the group?

• They are mostly natural gases with one man made gas.• They are unreactive

How many valence electrons does the group have?

• 8 valence e-

List 5 uses of some of the elements in the group?

• He- used for balloons

• Ne- neon lights

• Kr- krypton bulbs

• Ar- argon laser

• Rn- Radon seeds

List 5 properties (chemical/ physical)

• He- second lightest element

• Ne- distinct reddish glow

• Kr- high light output

• Ar- non-toxic

• Rn- -71 F radioactive

List at least 3 interesting things you learned about this group that you have

not already talked about

• Helium moves through the air faster then a Concord Jet

• Nitrogen Oxide has a 0.934% of argon

• The atmosphere of the plant Neptune is 83% Hydrogen, 15% Helium, and 2% Methane.