Organization of the Periodic Table

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

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A vertical column is called...

• group
• tower
• period
• crew

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Most of the elements on the periodic table are classified as _____.

• Metals
• Nonmetals
• Metalloids
• Periods

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This class of elements are sometimes called "semiconductors."

• Metals
• Nonmetals
• Metalloids
• Groups

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Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

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

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

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Which elements are not metals? Select ALL that apply.

• H

• Ag

• Al

• B

Which is a halogen?

• Helium

• Chlorine

• Oxygen

• Neptune

Which is an alkali metal?

• Magnesium

• Iron

• Sodium

• Europium

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Lithium is in group number______.

• Group 2

• Group 1

• Group 4

• Group 7

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NGSS.MS-PS1-1