noble gas configurations, ve and orbital diagrams

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1

How many electrons are on each shell below:

1s² 2s² 2p⁶ 3s²

• first =2

  second = 8

  third = 18

• first =2

  second = 6

  third = 8

• first =2

  second = 8

  third = 18

• first =2

  second = 8

  third = 2

Tags

NGSS.HS-PS1-1

How many valence electrons does this configuration show?

1s² 2s² 2p⁶ 3s²

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

Which element does this electron configuration represent?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹

• K

• Ca

• Sc

• Ar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which does NOT correctly show the number of electrons in the configuration below:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹

• first shell: 2e

• second shell: 8e

• third shell: 8e

• 4th shell: 2e

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are shown in this configuration:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹

• 2 ve

• 6 ve

• 8 ve

• 1 ve

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

The electron configuration of an atom is 1s²2s²2p⁶.  

Which atom is represented?

• Boron

• Carbon

• Oxygen

• Neon

Consider the following electron configuration.

1s² 2s² 2p⁶ 3s² 3p⁶

How many total electrons and valence electrons are shown?

• 18 e

  8 ve

• 18 e

  6 ve

• 11 e

  8ve

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What atom matches this electron configuration?
[Xe] 6s² 4f¹⁴ 5d⁹

• Mercury
• Gold
• Platinum
• Thallium

Tags

NGSS.HS-PS1-1