Atomic Structure Quiz

Front

Atomic number of an element?

Back

Number of protons in the nucleus.

Front

Isotopes of an element have the same number of protons but different numbers of:

Back

Neutrons

Front

Atomic mass of an element?

Back

Average mass of all isotopes.

Front

Valence electrons in carbon (atomic number 6)

Back

4

Front

In the Bohr model, electrons orbit the nucleus in:

Back

Fixed energy levels

Front

Element with atomic number 12?

Back

Magnesium

Front

Isotopes have the same number of protons.

Back

True

Front

Atomic mass of chlorine is ~35.5. This indicates:

Back

Chlorine has isotopes with different masses.

Front

Valence electrons in sulfur (atomic number 16)

Back

6

Front

In the Bohr model, when an electron moves to a higher energy level?

Back

It absorbs energy.