5.1 Flashcards
1
Q
proton
A
+1, heavily, identity, in nucleus
2
Q
Neutron
A
0, heavily, holds together, in nucleus
3
Q
Electron
A
-1, virtually 0, reactivity, outside nucleus
4
Q
Definition of isotope
A
atoms with different amounts of neutrons
5
Q
Which charges attract or repel
A
opposites attract, same repel
6
Q
coulombic attraction and amount of charge
A
direct
7
Q
coulombic attraction and distance
A
inversely
8
Q
Explain why isotopes can be useful in scientific research
A
They emit different levels of radiation
