Understanding the Periodic Table

What are all things in the world made of?

• Compounds

• Atoms

• Molecules

• Cells

How many different kinds of atoms are there?

• 50

• 92

• 150

• 118

What is the periodic table?

• A list of all known compounds

• A table of chemical reactions

• A chart showing all the elements

• A list of all known molecules

Which element has the atomic number 1?

• Lithium

• Helium

• Hydrogen

• Carbon

How many horizontal rows are in the periodic table?

• 5

• 6

• 7

• 8

Which group contains the noble gases?

• Group 18

• Group 17

• Group 2

• Group 1

What property do all metals share?

• They are all brittle

• They do not conduct electricity

• They are all shiny and solid

• They are all gases

What is a characteristic of non-metals?

• They are all shiny

• They conduct electricity well

• They are mostly liquids or gases

• They are malleable

What is a semi-metal?

• A non-metal that conducts electricity

• A metal that is not shiny

• An element with properties in between metals and non-metals

• An element that is both a metal and a non-metal

Why is hydrogen considered special?

• It is a metal

• It belongs to Group 2

• It is the heaviest element

• It does not belong to any group