Chemistry quiz: Elements

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Group 1

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Alkali Metals

  • Soft,

  • Highly reactive

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Group 2

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Alkali Earth

  • Harder than alkaline metals

  • reactive but much less than Alkali metals

  • never found naturally

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9 Terms

1
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Group 1

Alkali Metals

  • Soft,

  • Highly reactive

2
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Group 2

Alkali Earth

  • Harder than alkaline metals

  • reactive but much less than Alkali metals

  • never found naturally

3
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Group 3-12

Transition Metals

  • Standard metal properties (ductile, malleable, conducts electricity)

  • Common metals

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Group 17

Halogens

  • Highly reactive nonmetals

  • Distinctive color

  • Forms salts

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Group 18

Noble Gases

  • Colorless, Odorless gas

  • Doesn’t react with anything

  • Never found in compounds

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Atomic Number

Elements number and number of Protons

7
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number of Electrons

Number of Protons

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Mass Number

Has to be a whole number/ number of protons plus number of neutrons

9
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Number of neutrons

Mass number - number of protons/ Mass number - Atomic number