Potassium forms K+ ions and sulfur forms S2- ions. The formula of potassium sulfide is?

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Potassium forms K+ ions and sulfur forms S2- ions. The formula of potassium sulfide is?

A. KS
B. K2S
C. KS2 or
D. K2S2?

2007-05-02 09:18:56 · 3 answers · asked by 062419844142436830 1 in Science & Mathematics ➔ Chemistry

3 answers

k2s

2007-05-02 09:28:46 · answer #1 · answered by ali110all 1 · 0⤊ 0⤋

ur first answer is absolutely correct as passing of current in water and division into hydrogen and oxyen is known as electrolysis wich is a chemical process and the d one is obviously a chemical change as its state changes. and 9 and 10 m not sure about but they seem 2 b correct hope it helps

2016-05-19 00:23:58 · answer #2 · answered by ? 3 · 0⤊ 0⤋

Definitely B.

2007-05-02 09:25:40 · answer #3 · answered by Gervald F 7 · 0⤊ 0⤋