Unit 4 Practice Test

Front

How many d orbitals are there in a given sublevel?

Back

There are 5 d orbitals in a given sublevel.

Front

True or False: There are 4 different types of subshells (orbitals) s, p, d, f.

Back

True

Front

What is the electron configuration for an oxygen atom?

Back

1s² 2s² 2p⁴.

Front

What does the orbital diagram represent for the element with atomic number 8?

Back

Oxygen (O).

Front

Which electron configuration matches an oxygen atom?

Back

1s² 2s² 2p⁴.

Front

Define subshell.

Back

A subshell is a division of electron shells that contains one or more orbitals, designated as s, p, d, or f.

Front

What is the maximum number of electrons that can occupy a single d orbital?

Back

A single d orbital can hold a maximum of 2 electrons.

Front

What is the shape of s orbitals?

Back

S orbitals are spherical in shape.

Front

How many electrons can the p subshell hold?

Back

The p subshell can hold a maximum of 6 electrons.

Front

What is the principal quantum number?

Back

The principal quantum number (n) indicates the main energy level of an electron in an atom.