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 carbon-14 atom different from a normal carbon-12 atom?

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


Question 2. How is a tritium atom different from a hydrogen atom?

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


Question 3. How are isotopes of an element different from each other?

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


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


Question 5. Which number tells us which isotope we are dealing with?

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


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