Periodic Table

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

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NGSS.HS-PS1-1

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

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NGSS.HS-PS1-1

Elements which are shiny, conduct electricity and heat are called

• metal

• nonmetal

• metalloid

• nonexistent

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What are valence electrons?

• Any of an atom's electrons

• Electrons located on the first energy level

• Electrons not attached to any atom

• electrons located on the outer energy level

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

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NGSS.HS-PS1-1

Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

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NGSS.HS-PS1-1

The atoms on the right of the staircase are called

• metalloids

• non-metals

• metals

• noble gases

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NGSS.HS-PS1-1

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in a neutral atom