periodic trends part 1

UP and DOWN columns on the periodic table are

• groups

• periods

The period number tells you the number of

• protons

• energy levels

• valence electrons

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These elements are in a:

• group

• period

Which elements are stable?

• Group 1

• Group 8

• Group 18

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How many energy levels are found in Period 2?

• 1
• 2
• 3
• 4

Name group 2 on the periodic table.

• alkali metals
• alkaline earth metals
• noble gases
• transition metals

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Name groups 3 - 12 on the periodic table.

• noble gases
• halogens
• metalloids
• transition metals

Which group has the most reactive nonmetals?

• alkali metals
• noble gases
• metalloids
• halogens

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NGSS.HS-PS1-2

Name the group that contains inert (nonreactive) elements.

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

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Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 

• Metal
• Nonmetal
• Metalloid
• Pretty

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