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IrinaK [193]
3 years ago
5

I WhatWhat is ment byment by covalency?​

Chemistry
1 answer:
Illusion [34]3 years ago
5 0
When an element shares electrons with other atoms of the same or different elements to acquire stable electronic configuration, it is called covalency. If an atom shares 1 electron, its covalency is equal to 1. ... It needs 3 electrons to complete its octet.
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Ca+Cl2-->CaCl2 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction.
kompoz [17]

Answer:

Oxidation half

Ca -----> Ca2+ +2elecyrons

Reduction half

Cl2 + 2electrons ------> 2Cl-

Explanation:

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3 years ago
What is the concentration of a solution made with 0.150 moles of KOH in 400.0 mL of solution?
otez555 [7]

Answer:

concentration = \frac{0.15}{0.4}=0.375 mol/L

Explanation:

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6 0
3 years ago
How does a mixture of benzoic acid and benzaldehyde can be isolated separately by extractions? ​
Vilka [71]

Answer:

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Explanation:

Extractions are techniques use to separate desired compounds when mixed together. The mixture is brought in contact with solvent in which the sites substance is soluble and other is insoluble. Extractions use imissicible stages to separate substance from another.

6 0
4 years ago
What happens to a sample of matter when it's particles lose kinetic energy?
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