CFA-CHEMISTRY OF LIFE

Front

What is the atomic mass of an element?

Back

The atomic mass is the combined number of protons and neutrons in an atom's nucleus.

Front

How many neutrons does Lithium-7 have?

Back

Lithium-7 has 4 neutrons.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

How many electrons does Potassium have?

Back

Potassium has 19 electrons.

Front

What is the mass number of an isotope?

Back

The mass number is the total number of protons and neutrons in an atom.

Front

How many protons are in Chlorine?

Back

Chlorine has 17 protons.

Front

What is an isotope?

Back

An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons.

Front

What is the difference between atomic mass and atomic number?

Back

Atomic mass is the total number of protons and neutrons, while atomic number is the number of protons only.

Front

What is Copper-63?

Back

Copper-63 is an isotope of copper with 29 protons and 34 neutrons.

Front

What does the term 'neutron' refer to?

Back

A neutron is a subatomic particle found in the nucleus of an atom, with no electric charge.