Electron Configuration Practice

Which of the following is the correct long-form electron configuration for the element Neon (Ne)?

• 1s² 2s² 2p⁶

• 1s² 2s² 2p⁴

• 1s² 2s² 2p⁵

• 1s² 2s² 2p³

Tags

NGSS.HS-PS1-1

Identify the element with the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶.

• Krypton (Kr)

• Xenon (Xe)

• Radon (Rn)

• Neon (Ne)

Tags

NGSS.HS-PS1-1

What is the electron configuration for the element Sulfur (S)?

• 1s² 2s² 2p⁶ 3s² 3p⁴

• 1s² 2s² 2p⁶ 3s² 3p³

• 1s² 2s² 2p⁶ 3s² 3p²

• 1s² 2s² 2p⁶ 3s² 3p⁵

Tags

NGSS.HS-PS1-1

What is an electron configuration?

• A) A method of indicating the arrangement of electrons in a particular element or ion.

• B) A method of indicating the arrangement of protons in a particular element or ion.

• C) A method of indicating the arrangement of neutrons in a particular element or ion.

• D) A method of indicating the arrangement of atoms in a particular element or ion.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following best describes an electron configuration? A) It indicates the arrangement of electrons in a particular element or ion. B) It indicates the arrangement of protons in a particular element or ion. C) It indicates the arrangement of neutrons in a particular element or ion. D) It indicates the arrangement of atoms in a particular element or ion.

• It indicates the arrangement of electrons in a particular element or ion.

• It indicates the arrangement of protons in a particular element or ion.

• It indicates the arrangement of neutrons in a particular element or ion.

• It indicates the arrangement of atoms in a particular element or ion.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In the electron configuration 1s^1, what does the '1' before the 's' represent?

• Sublevel

• Number of electrons

• Energy level

• Atomic number

In the electron configuration 1s^1, what does the 's' represent?

• Sublevel

• Number of electrons

• Energy level

• Atomic number

Which of the following is the correct electron configuration for an atom with one electron?

• 1s^2

• 1s^1

• 2s^1

• 2p^1

Tags

NGSS.HS-PS1-1

How many electrons can the 's' sublevel hold?

• 1

• 2

• 3

• 4

Which of the following represents the electron configuration of an element in its ground state?

• 1s^2

• 1s^1

• 2s^1

• 2p^1

Tags

NGSS.HS-PS1-1