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.

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

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