Unit 4 to 6 Quiz

According to the Arrhenius definition, an acid when dissolved in water increases which ion?

• Na+

• Cl-

• H+

• OH-

What is the definition of an amphiprotic substance?

• Cannot interact with protons

• Can both accept and donate protons

• Can only donate protons

• Can only accept protons

What is the conjugate base of a Brønsted–Lowry acid HIO3?

• H2O

• H+

• IO3-

• NH3

What is the pH of a neutral solution?

• 5

• 10

• 7

• 3

Which type of bond is formed when electrons are transferred from one atom to another?

• Ionic bond

• Hydrogen bond

• Metallic bond

• Covalent bond

What is the ability of an atom in a molecule to attract electrons to itself called?

• Ionization energy

• Valence electrons

• Atomic radius

• Electronegativity

Which of the following molecules is non-polar?

• H2O

• O2

• CO2

• NH3

What is the charge on each atom in a molecule assuming all atoms have the same electronegativity?

• Formal charge

• Ionic charge

• Molecular charge

• Atomic charge

What is the atomic number of Iron?

• 40

• 32

• 16

• 26

What is the component of a solution that is present in the greatest quantity?

• Solvent

• Solute

• Nonelectrolyte

• Electrolyte