50 Formulas: Ionic and Molecular Compounds Guide
NAMES to FORMULAS IONIC and MOLECULAR
Inside there are 50 chances for you to look at a formula and determine
the proper or stock name of the compound.
You are asked each time to first decide if it’s IONIC or MOLECULAR.
You can tell if the 1st atom or part is a METAL, that’s ionic.
If the 1st atom or part is a NONMETAL, then that’s is molecular.
The only exception is when you see AMMONIUM, which starts
with an N for nitrogen, but NH
4
+1
is a polyatomic cation,
so those are ionic after all.
What is the formula of this compound?
Is it ionic or molecular?
Aluminum oxide
1
Aluminum oxide
Al
2
O
3
Ionic, Al is a metal
1
Silver fluoride
What is the formula of this compound?
Is it ionic or molecular?
2
Silver fluoride
AgF
Ionic, Ag is a metal
2
Barium phosphide
What is the formula of this compound?
Is it ionic or molecular?
3
Barium phosphide
Ba
3
P
2
Ionic, Ba is a metal
3
Tin IV Bromide
What is the formula of this compound?
Is it ionic or molecular?
4
Tin IV Bromide
SnBr
4
Ionic, Sn is a metal
Sn
+4
Br
-1
4
Carbon disulfide
What is the formula of this compound?
Is it ionic or molecular?
5
Carbon sulfide
CS
2
Molecular, carbon is a nonmetal
5
Cobalt III oxide
What is the formula of this compound?
Is it ionic or molecular?
6
Cobalt III oxide
Co
2
O
3
Ionic, Co is a metal
Co
+3
O
-2
6
Nitrogen monoxide
What is the formula of this compound?
Is it ionic or molecular?
7
Nitrogen monoxide
NO
Molecular, N is a nonmetal
7
Mercury II oxide
What is the formula of this compound?
Is it ionic or molecular?
8
Mercury II oxide
HgO
Ionic, Hg is a metal
Hg
+2
O
-2
8
Titanium II oxide
What is the formula of this compound?
Is it ionic or molecular?
9
Titanium II oxide
TiO
Ionic, Ti is a metal
Ti
+2
O
-2
9
Gallium phosphide
What is the formula of this compound?
Is it ionic or molecular?
10
Gallium phosphide
GaP
Ionic, Ga is a metal
10
Phosphorous trifluoride
What is the formula of this compound?
Is it ionic or molecular?
11
Phosphorous trifluoride
11
PF
3
Molecular, P is a nonmetal
Carbon dioxide
What is the formula of this compound?
Is it ionic or molecular?
12
Carbon dioxide
CO
2
Molecular, C is a nonmetal
12
Carbon tetrafluoride
What is the formula of this compound?
Is it ionic or molecular?
Carbon tetrafluoride
CF
4
Molecular, C is a nonmetal
Dinitrogen trioxide
What is the formula of this compound?
Is it ionic or molecular?
14
Dinitrogen trioxide
N
2
O
3
Molecular, N is a nonmetal
14
Boron trifluoride
What is the formula of this compound?
Is it ionic or molecular?
15
Boron trifluoride
BF
3
Molecular, B is a nonmetal
15
Selenium dioxide
What is the formula of this compound?
Is it ionic or molecular?
16
Selenium dioxide
SeO
2
Molecular, Se is a nonmetal
16
Silicon disulfide
What is the formula of this compound?
Is it ionic or molecular?
17
Silicon disulfide
SiS
2
Molecular, Si is a nonmetal
17
Silicon tetrachloride
What is the formula of this compound?
Is it ionic or molecular?
18
Silicon tetrachloride
SiCl
4
Molecular, Si is a nonmetal
18
Dihydrogen monosulfide
What is the formula of this compound?
Is it ionic or molecular?
19
Dihydrogen monosulfide
19
H
2
S
Molecular, H is a nonmetal
Arsenic pentafluoride
What is the formula of this compound?
Is it ionic or molecular?
20
Arsenic pentafluoride
AsF
5
Molecular, As is a nonmetal
20
Selenium trioxide
What is the formula of this compound?
Is it ionic or molecular?
21
Selenium trioxide
SeO
3
Molecular, Se is a nonmetal
21
Phosphorous tribromide
What is the formula of this compound?
Is it ionic or molecular?
22
Phosphorous tribromide
22
PBr
3
Molecular, P is a nonmetal
Difluorine monoxide
What is the formula of this compound?
Is it ionic or molecular?
23
Difluorine monoxide
F
2
O
Molecular, F is a nonmetal
23
Hydrogen monobromide
What is the formula of this compound?
Is it ionic or molecular?
24
Hydrogen monobromide
24
HBr
Molecular, H is a nonmetal
Sulfur hexachloride
What is the formula of this compound?
Is it ionic or molecular?
25
Sulfur hexachloride
SCl
6
Molecular, S is a nonmetal
25
Diphosphorous pentoxide
What is the formula of this compound?
Is it ionic or molecular?
26
Diphosphorous pentoxide
P
2
O
5
Molecular, P is a nonmetal
26
Vanadium IV oxide
What is the formula of this compound?
Is it ionic or molecular?
27
Vanadium IV oxide
VO
2
Ionic, V is a metal
V
+4
O
-2
27
Chromium VI sulfate
What is the formula of this compound?
Is it ionic or molecular?
28
Chromium VI sulfate
Cr(SO
4
)
3
Ionic, Cr is a metal
Cr
+6
SO
4
-2
28
Aluminum hydrogen carbonate
What is the formula of this compound?
Is it ionic or molecular?
29
Aluminum hydrogen carbonate
Al(HCO
3
)
3
Ionic, Al is a metal
29
Cadmium chromate
What is the formula of this compound?
Is it ionic or molecular?
30
Cadmium chromate
CdCrO
4
ionic, Cd is a metal
no RN needed
30
Iridium (IV) chloride
What is the formula of this compound?
Is it ionic or molecular?
31
Iridium (IV) chloride
IrCl
4
ionic, Ir is a metal
Ir
+4
Cl
-1
31
Carbon diselenide
What is the formula of this compound?
Is it ionic or molecular?
32
Carbon diselenide
CSe
2
molecular, C is a nonmetal
32
Platinum (IV) phosphate
What is the formula of this compound?
Is it ionic or molecular?
33
Platinum (IV) phosphate
33
Pt
3
(PO
4
)
4
ionic, Pt is a metal
Pt
+4
PO
4
-3
Lanthanum oxalate
What is the formula of this compound?
Is it ionic or molecular?
34
Lanthanum oxalate
La
2
(C
2
O
4
)
3
ionic, La is a metal
no RN needed.
34
Copper II oxide
What is the formula of this compound?
Is it ionic or molecular?
35
Copper II oxide
CuO
ionic, Cu is a metal
Cu
+2
O
-2
35
Copper II peroxide
What is the formula of this compound?
Is it ionic or molecular?
36
Copper II peroxide
CuO
2
ionic, Cu is a metal
Cu
+2
O
2
-2
This is pretty tricky!
36
Copper II sulfide
What is the formula of this compound?
Is it ionic or molecular?
37
Copper II sulfide
CuS
ionic, Cu is a metal
Cu
+2
S
-2
37
Hafnium sulfide
What is the formula of this compound?
Is it ionic or molecular?
38
Hafnium sulfide
HfS
2
ionic, Hf is a metal
Hf
+4
S
-2
no RN needed
38
Zinc sulfite
What is the formula of this compound?
Is it ionic or molecular?
39
Zinc sulfite
ZnSO
3
ionic, Zn is a metal
Zn
+2
SO
3
-2
no RN needed
39
Tungsten hydroxide
What is the formula of this compound?
Is it ionic or molecular?
40
Tungsten hydroxide
W(OH)
6
ionic, W is a metal
W
+6
OH
-1
40
Magnesium nitride
What is the formula of this compound?
Is it ionic or molecular?
41
Magnesium nitride
Mg
3
N
2
Ionic, Mg is a metal
41
Strontium fluoride
What is the formula of this compound?
Is it ionic or molecular?
42
Strontium fluoride
SrF
2
ionic, Sr is a metal
42
Rubidium phosphide
What is the formula of this compound?
Is it ionic or molecular?
43
Rubidium phosphide
Rb
3
P
ionic, Rb is a metal
43
Rubidium phosphate
What is the formula of this compound?
Is it ionic or molecular?
44
Rubidium phosphate
Rb
3
PO
4
ionic, Rb is a metal
Rb
+1
PO
4
-3
44
Ammonium phosphate
What is the formula of this compound?
Is it ionic or molecular?
45
Ammonium phosphate
(NH
4
)
3
PO
4
ionic, NH
4
+1
is a cation
NH
4
+1
PO
4
-3
45
Ammonium iodide
What is the formula of this compound?
Is it ionic or molecular?
46
Ammonium iodide
NH
4
I
ionic, NH
4
+1
is a cation
46
Silver nitrate
What is the formula of this compound?
Is it ionic or molecular?
47
Silver nitrate
AgNO
3
ionic, Ag is a metal
no RN needed
47
Silver nitrite
What is the formula of this compound?
Is it ionic or molecular?
48
Silver nitrite
AgNO
2
ionic, Ag is a metal
no RN needed
48
Bismuth (V) nitrite
What is the formula of this compound?
Is it ionic or molecular?
49
Bismuth (V) nitrite
Bi(NO
2
)
5
ionic, Bi is a metal
Bi
+5
NO
2
-1
49
Bismuth (III) perchlorate
What is the formula of this compound?
Is it ionic or molecular?
50
Bismuth (III) perchlorate
Bi(ClO
4
)
3
ionic, Bi is a metal
Bi
+3
ClO
4
-1
50
Bismuth (V) nitrate
50
Inside this guide, you will find detailed explanations and examples of ionic and molecular compounds, along with their corresponding formulas. By understanding the properties of metals and nonmetals, you can easily distinguish between the two types of compounds. Explore the world of chemistry through 50 chances to analyze compound formulas and uncover their proper names.
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Presentation Transcript
NAMES to FORMULAS IONIC and MOLECULAR Inside there are 50 chances for you to look at a formula and determine the proper or stock name of the compound. You are asked each time to first decide if it s IONIC or MOLECULAR. You can tell if the 1st atom or part is a METAL, that s ionic. If the 1st atom or part is a NONMETAL, then that s is molecular. The only exception is when you see AMMONIUM, which starts with an N for nitrogen, but NH4+1 is a polyatomic cation, so those are ionic after all.
1 Aluminum oxide What is the formula of this compound? Is it ionic or molecular?
1 Aluminum oxide Al2O3 Ionic, Al is a metal
2 Silver fluoride What is the formula of this compound? Is it ionic or molecular?
2 Silver fluoride AgF Ionic, Ag is a metal
3 Barium phosphide What is the formula of this compound? Is it ionic or molecular?
3 Barium phosphide Ba3P2 Ionic, Ba is a metal
4 Tin IV Bromide What is the formula of this compound? Is it ionic or molecular?
4 Tin IV Bromide SnBr4 Ionic, Sn is a metal Sn+4 Br-1
5 Carbon disulfide What is the formula of this compound? Is it ionic or molecular?
5 Carbon sulfide CS2 Molecular, carbon is a nonmetal
6 Cobalt III oxide What is the formula of this compound? Is it ionic or molecular?
6 Cobalt III oxide Co2O3 Ionic, Co is a metal Co+3 O-2
7 Nitrogen monoxide What is the formula of this compound? Is it ionic or molecular?
7 Nitrogen monoxide NO Molecular, N is a nonmetal
8 Mercury II oxide What is the formula of this compound? Is it ionic or molecular?
8 Mercury II oxide HgO Ionic, Hg is a metal Hg+2 O-2
9 Titanium II oxide What is the formula of this compound? Is it ionic or molecular?
9 Titanium II oxide TiO Ionic, Ti is a metal Ti+2 O-2
10 Gallium phosphide What is the formula of this compound? Is it ionic or molecular?
10 Gallium phosphide GaP Ionic, Ga is a metal
11 Phosphorous trifluoride What is the formula of this compound? Is it ionic or molecular?
11 Phosphorous trifluoride PF3 Molecular, P is a nonmetal
12 Carbon dioxide What is the formula of this compound? Is it ionic or molecular?
12 Carbon dioxide CO2 Molecular, C is a nonmetal
Carbon tetrafluoride What is the formula of this compound? Is it ionic or molecular?
14 Dinitrogen trioxide What is the formula of this compound? Is it ionic or molecular?
14 Dinitrogen trioxide N2O3 Molecular, N is a nonmetal
15 Boron trifluoride What is the formula of this compound? Is it ionic or molecular?
15 Boron trifluoride BF3 Molecular, B is a nonmetal
16 Selenium dioxide What is the formula of this compound? Is it ionic or molecular?
16 Selenium dioxide SeO2 Molecular, Se is a nonmetal
17 Silicon disulfide What is the formula of this compound? Is it ionic or molecular?
17 Silicon disulfide SiS2 Molecular, Si is a nonmetal
18 Silicon tetrachloride What is the formula of this compound? Is it ionic or molecular?
18 Silicon tetrachloride SiCl4 Molecular, Si is a nonmetal
19 Dihydrogen monosulfide What is the formula of this compound? Is it ionic or molecular?
19 Dihydrogen monosulfide H2S Molecular, H is a nonmetal
20 Arsenic pentafluoride What is the formula of this compound? Is it ionic or molecular?
20 Arsenic pentafluoride AsF5 Molecular, As is a nonmetal
21 Selenium trioxide What is the formula of this compound? Is it ionic or molecular?
21 Selenium trioxide SeO3 Molecular, Se is a nonmetal
22 Phosphorous tribromide What is the formula of this compound? Is it ionic or molecular?
22 Phosphorous tribromide PBr3 Molecular, P is a nonmetal
23 Difluorine monoxide What is the formula of this compound? Is it ionic or molecular?
23 Difluorine monoxide F2O Molecular, F is a nonmetal
24 Hydrogen monobromide What is the formula of this compound? Is it ionic or molecular?
24 Hydrogen monobromide HBr Molecular, H is a nonmetal
25 Sulfur hexachloride What is the formula of this compound? Is it ionic or molecular?
