C2 - Isotopes

HideShow resource information
Define isotopes.
Isotopes are different atomic forms of the same element, which have the same number of protons but a different number of neutrons.
1 of 5
Why must isotopes have the same atomic number but different mass numbers?
If they had different atomic numbers, they'd be different elements altogether.
2 of 5
What are a popular pair of isotopes?
Carbon 12 and Carbon 14
3 of 5
Most elements have different isotopes, but..
usually only one or two stable ones.
4 of 5
The other isotopes tend to be...
radioactive, which means they decay into other elements and give out radiation.
5 of 5

Other cards in this set

Card 2

Front

Why must isotopes have the same atomic number but different mass numbers?

Back

If they had different atomic numbers, they'd be different elements altogether.

Card 3

Front

What are a popular pair of isotopes?

Back

Preview of the front of card 3

Card 4

Front

Most elements have different isotopes, but..

Back

Preview of the front of card 4

Card 5

Front

The other isotopes tend to be...

Back

Preview of the front of card 5

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Atoms resources »