Isotopic/Nuclear Notation

Front

What does isotopic abundance refer to?

Back

The percentage of an isotope present in a natural sample of the elemental mixture.

Front

What defines an isotope of an element?

Back

Atoms with the same number of protons but different numbers of neutrons.

Front

How many protons does He have?

Back

2

Front

What is the isotopic notation for Carbon-14?

Back

Front

Which of the following is the proper equation for determining the number of neutrons for a given isotope?

Back

mass # - atomic #.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an isotope?

Back

The total number of protons and neutrons in the nucleus.

Front

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

Back

Subtract the atomic number from the mass number.

Front

What is the significance of isotopes in chemistry?

Back

Isotopes can have different physical properties and can be used in various applications, such as dating and medical imaging.

Front

What is the difference between atomic mass and mass number?

Back

Atomic mass is the weighted average mass of an element's isotopes, while mass number is the total number of protons and neutrons in a specific isotope.