Nova: Hunting the Elements

What six main elements are found in you and me? ________ H N O P S (what is the missing element?)

• Carbon

• Cerium

• Cadmium

• Californium

About 90% of all atoms in the universe are __________________. They are also what makes up the sun (along with helium).

• hydrogen

• oxygen

• iron

• carbon

Glass all starts with ordinary ______________, which is made of silicon and oxygen.

• sedimentary rock

• carbon

• selenium

• sand

What side of the periodic table would you find the non-metal elements?

• left side

• center

• top right side

• mixed all over the periodic table

Who developed the first periodic table?

• Mendelev

• Einstein

• Newton

• Galileo

What elements are we (living things) mostly made from?

• Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur

• Calcium, Helium, Nickel, Oxygen, Potassium, Silica

• Hydrogen, Gold, Aluminum, Iron, Neon

75% of the elements are _____________________

• metals

• nonmetals

• metalloids

The group on the far right of the table, the ____________ gases, are unwilling to react with other elements.

• halogen

• oxygen

• hydrogen

• noble

Oxygen makes up ______________________ % of our atmosphere.

• 21

• 51

• 100

At the bottom of the periodic table, beginning with number 84, polonium, all of the elements are __________________________.

• radioactive

• Radiohead

• Imagine Dragons fans

• gases