Chemistry - Benchmark #1 Review (Units 1-3)

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

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NGSS.HS-PS1-1

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This orbital diagram represents

• Calcium

• Scandium

• Potassium

• Yttrium

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NGSS.HS-PS1-1

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Which of the following is the correct Lewis Dot structure of Carbon?

• I

• II

• III

• IV

• V

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NGSS.HS-PS1-1

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How many valence electrons should Magnesium have in its Lewis dot model?

• 1

• 2

• 3

• 4

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NGSS.HS-PS1-1

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

• 18 protons

• 40 protons

• 22 protons

• 21.9 protons

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NGSS.HS-PS1-1

Where are electrons located in the atom?

• Nucleus

• Outside the nucleus in a cloud

• Outside the nucleus in fixed rings

• With the protons

What electron configuration matches an Neon atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹

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NGSS.HS-PS1-1

What is the shorthand electron configuration of Iodine?

• [Kr]5s²4d¹⁰5p⁶

• [Kr]5s²4d¹⁰6p⁶

• [Kr]5s²5d¹⁰6p⁶

• None of the above

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NGSS.HS-PS1-1

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How is Lithium (Li) Classified based on its location on the periodic table?

• nonmetal

• an alkaline earth metal

• a transition metal

• an alkali metal

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NGSS.HS-PS1-1

The following shows 3 different types of electron configurations:

Element 1 = 1s²2s²2p⁶3s²3p⁶4s¹

Element 2= 1s²2s²2p⁶3s²3p⁶4s²

Element 3= 1s²2s²2p⁶3s¹

Which would be the correct electron configuration for Ca?

• Element 1

• Element 2

• Element 3

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NGSS.HS-PS1-1