Sassafras Chemistry Chapters 16 & 17 Quiz

What was your favorite part of Blaine & Tracey's adventures?

Place each Noble Gas in its appropriate Group and Period on the table.

d

e

f

g

c

b

a

Krypton

Xenon

Radon

Oganesson

Argon

Helium

Neon

Noble Gases are all ​ (a)   and are considered ​ (b)   , meaning they don't react chemically or combine with other elements. This is because they have a ​ (c)   outer shell of electrons.

• nonmetals
• metals
• inert
• unstable
• full
• limited

Match the element with its Greek word meaning.
(Sassafras only covered two, but I bet you can make great scientific assumptions!)

• (helios) sun

• Argon

• hidden

• Helium

• lazy

• Krypton

• foreigner, stranger, or guest

• Neon

• new one

• Xenon

Mendeleev included the existence of noble gases in his periodic table.

• True

• False

Place each periodic characteristic with the correct element.

Groups:

(a) Helium

,

(b) Neon

,

(c) Both!

• makes up a 1/4 of the weight of the universe

• it does not form compounds or react with any other substances

• colorless, tasteless & odorless

• fifth most common element in the universe, but rather rare on Earth

• colorless unless you pass electricity through it

• least reactive element on whole periodic table

• atomic number 10

• liquid state is used as coolant in MRI machines

• lighter than air

• atomic number 2

• 

Match Blaine & Tracey's stops with the correct continent.

• South America

• Morocco

• North America

• Alaska

• Asia

• Chile

• Africa

• Great Britain

• Europe

• Singapore

(a)   is a mixture of gases that form a protective layer around the Earth that we call the atmosphere. These gases are held loosely in place by gravity.

The two main gases in the air are ​ (a)   and ​ (b)   , but there are traces of ​ (c)   and other noble gas elements.

• nitrogen
• helium
• oxygen
• argon
• carbon dioxide
• neon
• krypton

Carbon dioxide in the air traps heat from the sun and keeps the Earth at a temperature that supports life. This is called the (a)   effect.