Semester 1 Review - AP Chemistry

Of the following, the smallest and lightest subatomic particle is

A solution with a concentration higher than the solubility is

When four atomic orbitals are mixed, how many hybrid orbitals are formed?

Which will effuse through a hole most quickly?

An antibonding MO ___ the corresponding bonding MO.

Of the choices, which is not an ionic compound?

In some molecules, the sum of valence electrons is odd and the octet rule fails.

Which of the following is a weak electrolyte?

The point in a titration at which the indicator changes is called the _____.

As concentration of solute increases, freezing point ___ and vapor pressure ___.

In order to exhibit delocalized π bonding, a molecule must have

Which one of the following basic forces is so small that it has no chemical significance?

Of the following substances, ___ has the highest boiling point.

The oxidation number of oxygen in H₂O is _____.

The area labeled ___ on the following phase diagram represents the gas phase.

Which of the following is soluble in water?

Bromine is more apt to exist as an anion than is potassium. This is because

When argon is placed in a container of neon, it spontaneously disperses because

Which of the following is not a strong electrolyte?

Electrons in the ___ subshell experience the lowest effective nuclear charge in an atom.

Which pair of elements would you expect to exhibit the greatest similarity in properties?

A strong electrolyte is one that _____ completely in solution.

Of the atoms below, ___ is the most electronegative.

Which hydroxide is not a strong base?

Of the following, only ____ has dispersion forces as the only intermolecular force.

In which of these is hydrogen bonding the most significant part of total intermolecular forces?

A weak electrolyte exists predominantly as _____ in solution.

Of the molecules below, the bond in ____ is the most polar

The shape of a liquid's meniscus is determined by

In a hydrogen atom, an electron in a ____ orbital can absorb a photon, but cannot emit a photon

The region of the following phase diagram that corresponds to the solid phase is

Of the following, ___ should have the highest critical temperature.

Oxidation is the _____ and reduction is the _____.

______ have the lowest first ionization energies of the groups listed.

Which of the following is not a strong acid?

Homogeneous mixtures are also known as

Of the following, _____ is the most volatile.

Atomic radius generally increases as we move

A typical triple bond

The critical temperature is

There are ___ orbitals in the third shell.

The ____ orbital is degenerate with 5p_y in a many-electron atom.

Which of the following is an illustration of the law of constant composition?

For resonance forms of a molecule or ion,

The principal quantum number of the first d subshell is

Which ion has the largest radius?

Which of the following is insoluble in water?

Which will diffuse through a room most quickly?

Energy is ______ proportional to frequency and ______ proportional to wavelength.

Which one of the following is more likely to dissolve in benzene (C₆H₆)?

Of the species below, only _____ is not an electrolyte.

Viscosity increases as intermolecular forces increase.

The force of attraction between Na⁺ and H₂O in dissolved NaCl is called a(n) _____ interaction.

According to MO theory, overlap of two s atomic orbitals produces

A small amount of salt dissolved in water is an example of a

Which of the following is a diprotic acid?

Which one of the following molecular formulas is also an empirical formula?

In which of the following numbers are none of the zeros significant?

A molecular orbital can accommodate a maximum of ___ electrons.

A separation process that depends on differing abilities of substances to form gases is called

When a metal and a nonmetal react, the ______ loses electrons and the ______ gains electrons.

An atom of ¹⁹⁷Au, has ____ protons, ____ neutrons, and ____ electrons.

Oxidation cannot occur without _____.

For which of the following can the composition vary?

Which statement is false?

The vapor pressure of any substance at its normal boiling point is

If matter is uniform throughout and can be separated by chemical but not physical processes

Cathode rays are deflected away from a negatively charged plate becasue

Which one of the following will occur as diatomic molecules in elemental form?

Viscosity increases as temperature increases

The oxidation number of oxygen in H₂O₂ is _____.

The ___ subshell contains only one orbital.

Viscosity increases as molecular weight increases.

Each p subshell can accommodate a maximum of ___ electrons.

In ionic bond formation, the lattice energy of ions ___ as the charges ___ and the radii ___.