P6.1.1 - Atoms and isotopes Flashcards
1
Q
What are isotopes of an element?
A
Atoms with the same number of protons but different number of neutrons
2
Q
What is the formula for Deuterium oxide (heavy water)?
A
D20
3
Q
Why is deuterium oxide known as heavy water?
A
Each hydrogen atom attached to the oxygen contains a neutron
4
Q
What is the percentage by which heavy water is more massive than normal water?
A
Approximately 10%
