Snapquiz - Isotopes

This is the Snapquiz on Isotopes. Click here or use the embedded video if you haven't watched the lesson yet.

Question 1. How is a uranium-235 atom different from a uranium-238 atom?

It has three extra neutrons.
It has three less neutrons.
It has three extra protons.
It has three less protons.

Question 2. How are isotopes of an element different from each other?

They have different numbers of neutrons.
They have different atomic numbers.
They have different numbers of protons.
They have different numbers of electrons.

Question 3. A chlorine atom contains 17 protons and 17 electrons. About 75% of chlorine atoms are the chlorine-35 isotope. How many neutrons does one of these atoms contain?


Question 4. How is a deuterium atom different from a hydrogen atom?

It has one extra proton.
It has two extra protons.
It has two extra neutrons.
It has one extra neutron.

Question 5. How are isotopes of an element similar to each other?

They have the same mass number.
They have the same number of neutrons.
They have the same number of protons.
They have no similarities.

If you would like to track your scores, please enter your preferred first name into the box (please note, this uses cookies to store the data on your computer/phone/tablet - please see the FAQ for more information). Alternatively, if your teacher has given you a code starting with a # symbol, you can enter that:

Snapquiz© CJ Thornton    Terms and Conditions    Privacy

Log out