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

Neon

Argon

Xenon

Oganesson

Radon

Helium

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!)

• foreigner, stranger, or guest

• Neon

• hidden

• Krypton

• lazy

• Xenon

• (helios) sun

• Argon

• new one

• Helium

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!

• colorless unless you pass electricity through it

• colorless, tasteless & odorless

• lighter than air

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

• 
• atomic number 10

• liquid state is used as coolant in MRI machines

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

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

• atomic number 2

• least reactive element on whole periodic table

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

• North America

• Great Britain

• South America

• Singapore

• Asia

• Morocco

• Europe

• Alaska

• Africa

• Chile

________ 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 __________ effect.