compound elements Flashcards
1
Q
what are compound elements
A
when 2 atoms of 2 elements combine
2
Q
electrons on the outermost shell
A
valence
3
Q
needs to have 8 valence
A
Octet rule
4
Q
formed when atom gains or loses electrons
A
ions
5
Q
loss of electron
A
+, cation
6
Q
gain of electron
A
-, anion
7
Q
atomic number =
A
+protons, -electrons
