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Maslowich
3 years ago
7

The analogy that forms the basis of the octet rule compares covalent valence

Chemistry
2 answers:
Shtirlitz [24]3 years ago
6 0
It is b. orbital overlap electron densities
o-na [289]3 years ago
3 0

Answer:

b

Explanation:

orbital overlap electron densities.

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Explain how the copper could be in the lake sample near the picnic area but not have been detected by this test.
Masja [62]

Answer:

May be the instrument is incorrect or may be error in it.

Explanation:

The copper have not been detected by this test because the test may be not for the detection of copper, may be it is used for identification of another minerals. If there is copper in the lake sample but can't be detected in the test so it means that the instrument which is used for detection is not the right one  or having error in that instrument. Every mineral has a specific type of instrument that detect its presence, if we use incorrect instrument for the mineral then we can't detect the presence of that specific mineral.

8 0
2 years ago
What is the solution of Ag + Cu2+ --> ?
Leviafan [203]

Explanation:

b I dont really know okau

5 0
2 years ago
2. Incoming wastewater, with BOD5 equal to 200 mg/L, is treated in a well-run secondary treatment plant that removes 90 percent
Lesechka [4]

Answer:

10.8 ml

Explanation:

The BOD is an empirical test to determine the molecular oxygen used during a specified incubation period (usually five days), for the biochemical degradation of organic matter (carbonaceous demand) and the oxygen used to oxidise inorganic matter.

See attached file

5 0
3 years ago
What is the characteristic of the polar water molecule?
NikAS [45]

A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds, because the atoms share electrons.

7 0
3 years ago
The single bond is
Alex17521 [72]
4 is correct for this one
3 0
3 years ago
Read 2 more answers
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