Isotopes Practice

Front

What two particles determine the mass number?

Back

Protons and neutrons.

Front

Isotopes are atoms that have different?

Back

Mass numbers.

Front

Which part of an atom has a negative charge?

Back

Electron.

Front

What information would allow you to determine whether two atoms are of the same or different elements?

Back

The number of protons in their nucleus.

Front

Using the picture from a periodic table, what is the Atomic Mass?

Back

55.845.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

How do isotopes of an element differ?

Back

They have different mass numbers.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the significance of the atomic mass?

Back

It represents the average mass of an element's isotopes.

Front

Can isotopes have the same chemical properties?

Back

Yes, because they have the same number of protons.