Periodic table

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

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The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

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How many electrons does a Copper atom have?

• 63
• 29
• 92
• 34

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What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

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Which color on the image of the periodic table corresponds with the halogens.

• red

• black

• blue

• orange

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Which color on the image of the periodic table corresponds with the noble gases.

• red

• black

• blue

• orange

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Which color on the image of the periodic table corresponds with the alkaline earth metals.

• yellow

• dark yellow

• blue/green

• teal

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