So,
Ionic compounds are compounds composed of ions. The following are soluble ionic compounds (they dissolve in water):
NaCl(s) --> Na⁺(aq) + Cl⁻(aq)
NaOH(s) --> Na⁺(aq) + OH⁻(aq)
The following are insoluble ionic compounds (they have low solubilities):
Al₂O₃ --> 2Al³⁺+3O²⁻
AgCl --> Ag⁺ + Cl⁻
These compounds can only be appreciably separated by melting or by dissolving them in enormous amounts of water (the concentration will still be very low).
Ionic compounds have electrons that are locked in place because of the strong ionic attractions between the ions. A charge is produced by moving electrons. Since the ions in melted ionic compounds are free to move, their electrons are no longer locked, allowing the ionic liquid to conduct electricity.
NaCl(s) --> Na⁺(l) + Cl⁻(l)
The answer is D.
I'm pretty sure number 48 is C. Hope this helped :)
Particles of gas are more scarcely placed as compared to that of liquid.
the intermolecular forces will be less in gaseous state and hence is less stable
Although birds' eggs appear to be fragile, they are in fact extremely robust. The oval shape applies the same rules of engineering as an arched bridge; the convex surface can withstand considerable pressure without breaking.
Answer:
C. Arrhenius
An Arrhenius base is a substance that dissociates in water to form hydroxide (OH–) ions. In other words, a base increases the concentration of OH– ions in an aqueous solution.
Explanation:
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