Electrons in Atoms

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

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NGSS.HS-PS1-1

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

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NGSS.HS-PS1-1

How many electrons can the d sublevel hold?

• 14
• 10
• 2
• 6

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NGSS.HS-PS1-1

How many electrons can the s sublevel hold?

• 14
• 10
• 2
• 6

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NGSS.HS-PS1-1

Choose the correct shortcut (Noble Gas) configuration for iodine.

• [Ar]4s²4d¹⁰4p⁵

• [Kr]5s²4d¹⁰5p⁵

• [Xe]5s²5d¹⁰5p⁵

• none of the above

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Each row on the periodic table represents:

• an energy level

• a sublevel

• an electron

• an orbital

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NGSS.HS-PS1-1

Energy levels are denoted by:

• letters

• numbers

• a combination of letters and numbers

• subscripts

Which of the following is not a correct designation for a sublevel?

• zz

• p

• d

• f

Tags

NGSS.HS-PS1-2

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are in Phosphorus?

• 15
• 4
• 5
• 31

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2