Electron Configuration

The number of electrons is also equal to ________ and the __________. Choose any that may apply.

• Neutrons

• Protons

• Atomic Number

• Mass Number

 The electron configuration of an atom is $1s^22s^22p^6$ . The number of electrons in the atom is ____,

• 4

• 7

• 10

• 12

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What noble gas would use to begin the noble gas configuration of the element Carbon? Write the complete name of the noble gas.

Tags

NGSS.HS-PS1-1

What element has the following orbital diagram? Write the complete name of the element.

Tags

NGSS.HS-PS1-1

The number of electrons that can occupy p shape orbitals.

• 2

• 6

• 8

• 10

• 14

What atom matches this electron configuration,

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d⁹?

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

E______ c______ describes how electrons are distributed in the orbitals of an atom.

It states that every orbital in a given subshell is singly occupied by electrons before a second electron is filled in an orbital.

• Hund's Rule

• Aufbau Principle

• Pauli Exclusion Principle

• Madelung Rule

What atom matches this electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰ ? Write the complete name of the element.

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1

• 2

• 4

• 6