Atomic Structure/Periodic Trends Review

What is the name of the family that is highlighted?

• Alkali Metal Family

• Halogen Family

• Noble Gas Family

• Transition Metal Family

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Which element has 3 valence electrons?

• A

• B

• E

• C

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Which elements have the same number of valence electrons?

• A & C
• E & C
• F & A
• F & B

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Which element belongs to the group that is made up of only gases?

• D
• L
• E
• A

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Which elements are in the same period?

• A & F
• F, B & D
• E & D
• F & B

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Is silicon a metal, nonmetal or metalloid?

• Metal
• NonMetal
• Metalloid

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List the two most reactive families on the periodic table.

• Alkali metals & Transition Metals
• Noble gases & Oxygen Family
• Halogens & Alkali metals
• Halogens & Noble gases

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All elements found on the left side of the Periodic Table of the Elements have what properties in common?

• They conduct heat and electricity 
• They are all gases 
• They are brittle and dull
• They are radioactive

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Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca?

• beryllium, Be
• potassium, K
• titanium, Ti
• yttrium, Y

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The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?

• beryllium (Be)
• sodium (Na) 
• oxygen (O) 
• neon (Ne)

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NGSS.HS-PS1-2