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Ratling [72]
3 years ago
14

why is hydrogen a nonmetal,usually placed with group 1 elements in the periodic table even though it does not show a metallic pr

operty like the alkalietals?​
Chemistry
1 answer:
Natalka [10]3 years ago
6 0
Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. However, it varies greatly from the alkali metals as it forms cations (H+) more reluctantly than the other alkali metals.Aug 15, 2020
Electronic Configuration: 1s
At Room Temperature: Colorless & Odorless Diatomic Gas
Atomic Weight: 1.0079
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Draw the structure(s) of the branched alcohol(s) with the chemical formula c5h12o.
xxTIMURxx [149]

A<em>nswer:</em>

The possible branched chain structure of alcohols with chemical formula C5H12O are following.

  • 3-methylbutan-2-ol
  • 3-methylbutan-1-ol
  • 2,2-dimethylpropan-1-ol
  • pentan-3-ol
  • 2-methylbutan-1-ol
  • 2-methylbutan-2-ol

Structure:

Please see attachment

Download docx
7 0
4 years ago
Why did you have to form a diastereomeric salt from one of the enantiomers of ibuprofen? Choose two Group of answer choices It i
aleksklad [387]

Answer:

Correct answers: 2 and 3

Explanation:

1- correct would be: Isolation of ibuprofen is not dangerous, but it is necessary because only one enantiomer has effect on interaction with biologic <em>diana</em>

<em>2: Correct! This property of diastereomeric salts (differing solubilities) is really useful for the isolation of the original enantiomers</em>

<em>3: Correct! we can only observe their properties, like polirized light rotation or separation in an assimetric column for chromatography.</em>

4: correct would be: diastereomeric salts do not rotate light, they have lost the property of anantiomers that originated them

8 0
3 years ago
Which of the following is true about the two atoms below?
nordsb [41]

Answer:

Different Number of neutrons.

4 0
3 years ago
How will the concentration of H+ and OH− ions change when a substance with a pH 11.4 is added to water?
PolarNik [594]

Answer is: H+ will increase and OH− will decrease.

pH = 11.4.

pH = -log[H+].

[H+] = 10∧(-pH).

[H+] = 10∧(-11.4).

[H+] = 4·10⁻¹² mol/L.

[H+] · [OH-] = 1·10⁻¹⁴ mol²/dm⁶.

[OH-] = 0.0025 mol/L.

pH value (potential of hydrogen - [H+]) is a logarithmic scale that specify the acidity or basicity of an aqueous solution.

When pH is greater than seven, aqueous solution is basic, below seven is acidic and when pH is equal seven, solution is neutral.



4 0
3 years ago
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Compared with the rate of an inorganic reaction, the rate of an organic reaction is usually 1. faster, because the organic parti
Vlad [161]
The answer is:  4)  "slower, because the organic particles are molecules."
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7 0
3 years ago
Read 2 more answers
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