What are the formulas for the following compounds:
potassium iodide
magnesium hydroxide
aluminum sulfate
chlorine heptoxide
If you give me the answers I should be able to figure out how you got them but if you would like to take the time to explain how you reached those conclusions it would be really helpful. Thanks
2006-11-01 11:48:18 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
KI - because Potassium(K) has valence of 1+ and Iodine(I) has valence of 1-. When you crisscross the valences you end up with KI.
Mg(OH)2 - Mg has valence of 2+ and Oh(hydroxide) has valence of 1-. When you crisscross you end up with Mg(OH)2.
Al2(SO4)3 - Aluminum has valence of 3+ and Sulfate has valence of 2-. When you crisscross you end up with Al2(SO4)3.
ClO7 - Chlorine has valence of 1 but can have valence of 7 as well. When you crisscross you end up with ClO7.
Hope this helps.
2006-11-01 11:55:38 · answer #1 · answered by Fatima A 3 · 0⤊ 0⤋
KI
Mg02
MgOH2
Al2(SO4)3·16H2O
Chlorine heptoxide (perchloric anhydride)
Formula: Cl2O7 Molecular weight: 182.901
2006-11-01 11:50:57 · answer #2 · answered by god knows and sees else Yahoo 6 · 0⤊ 0⤋
KI
Mg(OH)2
Al2(SO4)3
ClO7
2006-11-01 11:53:23 · answer #3 · answered by beachbuhm11 1 · 0⤊ 0⤋
iono sorry
2006-11-01 11:49:52 · answer #4 · answered by Anonymous · 0⤊ 1⤋