3.1 Combining Capacities & Naming Compounds Flashcards
1
Q
Group 1 metals’ CC
A
+1
2
Q
Group 2 metals’ CC
A
+2
3
Q
Group 3 metals’ CC
A
+3
4
Q
Transition metals groups 3-12 CC
A
No straightforward pattern; many can form more than one positive ion
5
Q
Group 15 CC
A
-3
6
Q
Group 16 CC
A
-2
7
Q
Group 17 CC
A
-1
8
Q
Group 14 CC
A
Dont usually form ions but when they do: +4 or -4
9
Q
Group 18 CC
A
Dont form ions
10
Q
Hydrogen CC
A
+1 when it combines w/ nonmetal
-1 when it combines w/ metal
11
Q
Oxygen CC
A
Almost always -2
Exception: In peroxides, where it’s -1
12
Q
Sulphide CC
A
-2
13
Q
Which ions have consistent combining capacities?
A
Complex/polyatomic
14
Q
Name and describe the two main categories of ionic compounds
A
- Binary compounds (made from a metal + nonmetal, names of nonmetal end in “ide”)
- Polyatomic ion compounds (made w/ polyatomic ions)
15
Q
Ionic bond is always between what two ions?
A
Positive and negative
