Quantum

A theory stating that electrons have the trend of taking the orbitals from the lowest energy level to the highest is the theory of... .

• Pauli exclusion’s principle

• Aufbau principle

• Hund’s rule

• Heissenberg’s probability

A subshell that contains 5 orbitals is ... subshell.

• d

• s

• f

• p

Which of the following sets of quantum numbers (n, l, m_l, and m_s) describes the valence electron of Na?

• 2, 1, 0, -½

• 2, 0, 0, -½

• 3, 1, 1, +½

• 3, 0, 0, +½

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Electrons that have not been excited are said to be at:

• high level

• base line

• set state

• ground state

Tags

NGSS.HS-PS1-2

This is a ____ orbital

• s

• d

• p

• d

With each higher energy level, the electrons are

• lower in energy

• more stable

• weaker

• farther from the nucleus

What does the 1 in "1s" stand for?

• energy level

• s orbitals

• p orbitals

• the number of electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

For a p sublevel, "L" equals ____.

• 0

• 1

• 2

• 3

What is the correct representation for an orbital which has an "n" value of 4 and an "L" value of 2?

• 4d

• 4s

• 4f

• 4p

Which orbital shows a violation of the Pauli Exclusion Principle?

• A

• B

• C

• D