Elements & the Periodic Table

Question 1

Our sun contains an abundance of this element. So does water.

Accepted Answer

hydrogen

Question 2

This gaseous element has an atomic number of 17. It is a key element in bleach.

Accepted Answer

chlorine

Question 3

Yum! This pizza was cooked in a (????) pan.

Accepted Answer

iron

Question 4

What metal is this person shaping into a bowl?

Accepted Answer

copper

Question 5

This precious metal is worth about $35 per gram (2015). Its symbol is Au.

Accepted Answer

gold

Question 6

You might find these in the street. They are wheel weights from a car. What are they made of?

Accepted Answer

lead (plomo)

Question 7

Homer Simpson is holding this radioactive substance at the power plant. What is it?

Accepted Answer

uranium

Question 8

The earth's atmosphere contains an abundance (78%) of this invisible, stable gas.

Accepted Answer

nitrogen

Question 9

This element is a soft, gray alkaline earth metal found in your bones.

Accepted Answer

calcium

Question 10

This element is found in coal and pencils. It also helps form an important greenhouse gas.

Accepted Answer

carbon

Questions 10