Electron Test

Identify the element with the following electron configuration: 1s²2s²2p⁶.

• Be

• Si

• C

• Ne

Identify the total amount of electrons in an element with this electron configuration: 1s²2s²2p⁶3s²3p³.

• 5

• 11

• 15

Identify the number of valence electrons in an element with this electron configuration: 1s²2s²2p⁶3s²3p³.

• 3

• 5

• 11

• 15

Identify the number of energy levels in an element with this electron configuration: 1s²2s²2p⁶3s²3p³.

• 1

• 2

• 3

• 5

Match the Heisenberg uncertainty principle with its correct definition.

• It is impossible to determine the location and speed of an electron or other particle simultaneously.

• No two electrons in the same atom will have the same set of quantum numbers.

• Electrons will fill the lowest energy orbital first.

• Orbitals of equal energy will each get one electron before any orbital gets a second.

Match Hund’s rule with its correct definition.

• It is impossible to determine the location and speed of an electron or other particle simultaneously.

• No two electrons in the same atom will have the same set of quantum numbers.

• Electrons will fill the lowest energy orbital first.

• Orbitals of equal energy will each get one electron before any orbital gets a second.

Match the Aufbau principle with its correct definition.

• It is impossible to determine the location and speed of an electron or other particle simultaneously.

• No two electrons in the same atom will have the same set of quantum numbers.

• Electrons will fill the lowest energy orbital first.

• Orbitals of equal energy will each get one electron before any orbital gets a second.

Match the Octet rule with its correct definition.

• It is impossible to determine the location and speed of an electron or other particle simultaneously.

• No two electrons in the same atom will have the same set of quantum numbers.

• Electrons will fill the lowest energy orbital first.

• The tendency of atoms to prefer to have eight valence electrons.

Match the Pauli exclusion principle with its correct definition.

• It is impossible to determine the location and speed of an electron or other particle simultaneously.

• No two electrons in the same atom will have the same set of quantum numbers.

• Electrons will fill the lowest energy orbital first.

• Orbitals of equal energy will each get one electron before any orbital gets a second.

Which of the following has the greater frequency?

• Yellow light

• Blue light