Sorry I accidentally touched it
Answer: In covalent bonds electrons are shared. In ionic bonds electrons move from one to another atom. but in Metallic bond, they move freely so the answer is C.
There is one atom in a Monoatomic Ion whereas Many in Polyatomic.
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Your answer for this would be A. Mixtures cannot be separated by physical meansA pure substance is heterogeneous.
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Answer:
a. .125 mol b. 7.25g
Explanation:
a. To get the moles multiply the volume by the molarity.
.5L*.25M=.125mol NaCl
b. The molar mass is provided so multiply the moles by the molar mass to get the amount of grams of nacl.
.125mol*58molar mass=7.25g nacl to make the solution
