Atoms and Isotopes Flashcards
0
Q
Why are they called isotopes?
A
The number of protons and neutrons are different.
1
Q
What is an isotope?
A
Atoms of the same element always have the same number of protons however they can have a different number of neutrons.
2
Q
How do you represent the atomic number and mass number of an atom using the notation?
A
You have the mass number on the top and the atomic number on the bottom.
3
Q
True or false? They have identical chemical and physical properties.
A
False.
They have different physical properties eg. density.
