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

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


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

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


Question 3. How is a tritium atom different from a hydrogen atom?

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


Question 4. How are isotopes of an element similar to each other?

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


Question 5. How are isotopes of an element different from each other?

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


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