CPA Midterm MC Review

Physical means can be used to separate

A chemical bond resulting from the electrostatic attraction between positive and negative ions

Under what conditions can potassium bromide conduct electricity?

An example of an extensive physical property is

Which of the following compounds contains Mn³⁺?

An example of a chemical change is

The energy required to remove an electron from an atom is the atom's

Within a group of elements, as the atomic number increases, the atomic radius

The following molecules contain polar bonds. The only nonpolar molecule is

What is the formula of a gallium ion that has gained a stable electron configuration?

The number of possible orbital shapes for the third energy level is

Isotopes are atoms of the same element that have different

How many electrons are transfered from calcium to bromine in the formation of calcium bromide?

A line spectrum is produced when an electron moves from one energy level

The periodic law states that the properties of elements are periodic functions of their atomic

Bonding in molecules or ions that cannot be correctly represented by one Lewis structure is

Max Planck proposed that a hot object radiated energy

Which of the following is true about the composition of ionic compounds?

A molecule is a

What characteristic makes metals good conductors?

Because most particles fired at metal foil passed straight through, Rutherford concluded that

Bohr's model of the atom helped explain why

Elements with the electron configuration s²p⁵ in the highest occupied energy level belong

What is the volume of a sample of sugar (D = 1.59 g/cm³) with a mass of 4.0g?

Louis de Broglie's saw interference patters for electrons. He concluded that

A measure of the ability of an atom in a chemical compound to attract electrons is called

Dalton's theory essentially agreed with the present atomic theory EXCEPT for the statement that

The law of conservation of mass follows from the concept that

Which is NOT a property of metals?

If the atoms that share electrons have an unequal attraction for the electrons, the bond is

Mendeleev attempted to organize the chemical elements based on their

Because c, the speed of EM radiation, is a constant, the wavelength of the radiation is

A physical change occurs when a

The symbols for units of length in order from smallest to largest are