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


Question 2. How are isotopes of an element similar to each other?

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


Question 3. 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 have a different taste.
It would be slightly heavier.
It would be a different colour.


Question 4. Which number tells us which isotope we are dealing with?

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


Question 5. 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.


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