Chapter 1.7 Ions, atoms, and isotopes Flashcards
1
Q
What is an isotope?
A
Atoms of the same element with different numbers of neutrons.
2
Q
What is an ion?
A
An ion is a charged atom (or group of atoms).
3
Q
What happens to an atom when they gain and lose electrons?
A
Atoms that gain electrons form negative ions. If atoms lose electrons they form positive ions.
