Electron configurations

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

Choose the correct shortcut configuration for iodine.

• [Ar]4s²4d¹⁰4p⁵

• [Kr]5s²4d¹⁰5p⁵

• [Xe]5s²5d¹⁰5p⁵

• none of the above

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NGSS.HS-PS1-1

Which area on the periodic table represents the electrons in the "d" sublevel?

• representative elements

• columns 3-8

• rare earth elements

• transition elements

Energy levels are denoted by:

• letters

• numbers

• a combination of letters and numbers

• subscripts

How many electrons can the s sublevel hold?

• 14
• 10
• 2
• 6

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

What is the total number of energy levels used by an atom of aluminum
(Al, atomic #13) in the ground state?

• 3
• 7
• 13
• 0

Tags

NGSS.HS-PS1-1

According to the Aufbau Principle, which sublevel should starting filling with electrons after 5s?

• 6s
• 5p
• 4d
• 3f

Tags

NGSS.HS-PS1-1

The second energy level (n=2) contains a total of 5 electrons...how many more electrons can fit in the 2nd energy level?

• 0
• 3
• 5
• 7

Tags

NGSS.HS-PS1-1