AP Chem 7.11-13 Quiz

Which of the following atoms or ions has three unpaired electrons?

• Carbon (C)
• Oxygen (O)
• Hydrogen (H)
• Nitrogen (N)

Tags

NGSS.HS-PS1-1

The electron configuration for the barium atom is:

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2
• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 4f14 5d10 6p6
• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6
• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 4f14 5d10 6p6 7s2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The electron configuration for the carbon atom is:

• 1s2 2s2 2p2
• 1s2 2s1 2p2
• 1s2 2s2 2p1
• 1s2 2s2 2p3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following statements about quantum theory is incorrect?

• Quantum theory is a theory that only applies to light and electromagnetic radiation.
• Quantum theory is a classical theory that describes the behavior of particles at the atomic and subatomic level.
• Quantum theory is a macroscopic theory that describes the behavior of particles at the atomic and subatomic level.
• Quantum theory is a deterministic theory that can predict the exact behavior of particles.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

The statement that "the lowest energy configuration for an atom is the one having the maximum number of unpaired electrons allowed by the Pauli principle in a particular set of degenerate orbitals" is known as

• Aufbau principle
• Pauli exclusion principle
• Bohr's rule
• Hund's rule

An element with the electron configuration [Xe] 6s²4f¹⁴5d⁷ would belong to which class on the periodic table?

• alkali metals
• halogens
• transition metals
• noble gases

Tags

NGSS.HS-PS1-1

Which of the following is the highest energy orbital for a silicon atom?

• 2s
• 1s
• 3p
• 2p

Which of the following processes represents the ionization energy of bromine?

• Br -> Br+ + e-
• Br -> Br- + e+
• Br -> Br+ + 2e-
• Br -> Br2 + e-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Order the elements S, Cl, and F in terms of increasing atomic radii.

• S < Cl < F
• Cl < S < F
• F < Cl < S
• F < S < Cl

The first ionization energy of Mg is 735 kJ/mol. The second ionization energy is

• equal to 735 kJ/mol
• less than 735 kJ/mol
• greater than 735 kJ/mol
• not applicable