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.

Tags

NGSS.HS-PS1-8

Front

How do you calculate the mass number of an isotope?

Back

The mass number is calculated by adding the number of protons and neutrons in the nucleus of an atom.

Front

If Carbon-14 has 6 protons, how many neutrons does it have?

Back

8

Front

What is the mass number of an isotope with 7 protons and 8 neutrons?

Back

15

Front

What can you infer if two isotopes have the same mass number but different atomic numbers?

Back

They are not isotopes but different elements.

Front

Which isotope of oxygen has the most neutrons?

Back

Oxygen-18 has the most neutrons.

Front

How do isotopes of the same element differ?

Back

They differ in the number of neutrons.

Tags

NGSS.HS-PS1-8

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

What is the relationship between isotopes and atomic mass?

Back

Isotopes can affect the average atomic mass of an element due to their different masses.

Front

Can isotopes have different chemical properties?

Back

Generally, isotopes of the same element have similar chemical properties but can differ in physical properties.