Isotopes

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

How many protons does an isotope of titanium have?

Back

22

Front

What is the mass number of an isotope?

Back

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

Front

What do isotopes of an element differ in?

Back

Isotopes of an element have a different number of 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, which determines the element's identity.

Front

How do you calculate the number of neutrons in an isotope?

Back

Number of neutrons = Mass number - Atomic number.

Front

What is the symbol for mass number in isotopic notation?

Back

The mass number is represented by 'A' in isotopic notation.

Front

What is the significance of isotopes in medicine?

Back

Isotopes are used in medical imaging and treatment, such as radioactive iodine in thyroid treatment.

Front

What is an example of a stable isotope?

Back

Carbon-12 (C-12) is a stable isotope of carbon.

Front

What is an example of a radioactive isotope?

Back

Uranium-238 (U-238) is a radioactive isotope used in nuclear reactors.