<span><span>20 At standard pressure, which substance becomes less soluble in water as temperature increases from 10.oC to 80.OC? (1) HCl (2) KCl (3)NaCl (4)NH4Cl</span>1<span>Use Table G, HCl is a gas and slopes down</span></span>
Group 6 elements like Oxygen like to take on the extra two electrons to become a 2- anion and take on the noble gas configuration. so the O^2-, which looks like O=O, will have two oxygens sharing two electrons.... answer is O^2-
Answer:
The different elements are represented by their symbols one line shows a single bond and two lines show a double bond. This written representation is called a structural diagram
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Sinkholes this is the answer
Answer:
a compound of the elements hydrogen, carbon, and oxygen. (also carbonic acid is a compound not a mixture ^-^)
Explanation:
hope this helps dude
