Practice for TEST 2 - part 2

What is the maximum number of electrons that can occupy the 3p orbital?

• 2

• 6

• 8

• 10

Which quantum number describes the shape of an atomic orbital?

• Principal quantum number (n)

• Angular momentum quantum number (l)

• Magnetic quantum number (ml)

• Spin quantum number (ms)

The quantum number that distinguishes between the two electrons in the same orbital is:

• Principal quantum number (n)

• Angular momentum quantum number (l)

• Magnetic quantum number (ml)

• Spin quantum number (ms)

What is the maximum number of electrons that can occupy the 4th energy level (n = 4) of an atom?

• A) 8

• B) 18

• C) 32

• D) 50

Which quantum number defines the size and energy of an atomic orbital?

• Principal quantum number (n)

• Angular momentum quantum number (l)

• Magnetic quantum number (ml)

• Spin quantum number (ms)

What is the maximum number of electrons that can have the same set of quantum numbers (n, l, ml, ms) in a given atom?

• 0

• 1

• 2

• 3

Which quantum number is responsible for the electron's intrinsic angular momentum or "spin"? A) Principal quantum number (n) B) Angular momentum quantum number (l) C) Magnetic quantum number (ml) D) Spin quantum number (ms) (D) Spin quantum number (ms)

• Principal quantum number (n)

• Angular momentum quantum number (l)

• Magnetic quantum number (ml)

• Spin quantum number (ms)

Which ancient Greek philosopher first proposed the concept of atoms and believed that they were indivisible?

• Aristotle

• Democritus

• Plato

• Socrates

Who is known for his gold foil experiment, which led to the discovery that the atom is mostly empty space with a dense nucleus at its center?

• Ernest Rutherford

• John Dalton

• Werner Heisenberg

• Max Planck

Which scientist introduced the concept of quantized energy levels in the atomic model, leading to the development of quantum mechanics?

• A) Werner Heisenberg

• B) Niels Bohr

• C) Max Planck

• D) Erwin Schrödinger