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 are isotopes of an element different from each other?

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


Question 2. Which number tells us which isotope we are dealing with?

The atomic number.
The electron number.
The proton number.
The mass number.


Question 3. A chlorine atom contains 17 protons and 17 electrons. About 25% of chlorine atoms are the chlorine-37 isotope. How many neutrons does one of these atoms contain?

20.
17.
3.
18.


Question 4. How would a glass of water made with hydrogen-2 atoms be different to a glass of water made with hydrogen-1 atoms?

It would be radioactive.
It would be a different colour.
It would be slightly heavier.
It would have a different taste.


Question 5. 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?

20.
17.
1.
18.


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
Teachers


Log out