Periodic Table Review Ch 10

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 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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Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

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Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

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A horizontal (goes across) row of elements in the periodic table.

• column
• group
• period

A vertical column in the periodic table.  Elements share similar properties.

• row
• group
• period

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Elements in a ..................have similar chemical properties.  

• period
• group
• row

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