Ch. 5.1 - Models of the Atom

Ch. 5.1

Models of the Atom

Multiple Choice

Rutherford's planetary model of the atom could not explain.

• Any properties of elements

• The chemical properties of elements

• The distribution of mass in an atom

• The distribution of positive and negative charges in an atom

Multiple Choice

True or False? Electrons must have a certain minimum amount of energy called a quantum in order to move from one energy level to the next higher energy level

• True

• False

Fill in the Blanks

In the Bohr model, the electrons move in _ paths.

Fill in the Blanks

The _ model of the atom is the modern description of the electrons in atoms.

Fill in the Blanks

This model estimate the _ of finding an electron within a certain volume of space surrounding the nucleus.

Multiple Choice

What is the lowest-numbered principal energy level in which p orbitals are found?

• 1

• 2

• 3

• 4

Fill in the Blanks

How many orbitals are in the 4p sublevel?

Fill in the Blanks

How many orbitals are in the 3d sublevel?

Fill in the Blanks

How many orbitals are in the 4f sublevel?

Fill in the Blanks

How many orbitals are in the 2s sublevel?

Multiple Choice

True or False? The maximum number of electrons that can occupy the fourth principal energy level of an atom is 32.

• True

• False

Multiple Choice

True or False? The electron probability clouds for atomic orbitals are always spherical in shape.

• True

• False