2.1 Flashcards
1
Q
Definition of isotopes
A
Isotopes are determined by the mass.
2
Q
Where are electrons found
A
Electron cloud
3
Q
Where are protons and neutrons found
A
Inside the nucleus
4
Q
What is the charge of protons
A
Positive
5
Q
What is the charge of electrons
A
Negative
6
Q
How are isotopes useful in scientific research
A
They have unique properties, and those properties make them useful in their research
7
Q
What makes an atom radioactive
A
If it is stable or unstable
