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Nutka1998 [239]
3 years ago
8

Fluorine belongs to group 17. How many covalent bonds are formed between two fluorine atoms?

Chemistry
2 answers:
PSYCHO15rus [73]3 years ago
7 0
Answer: 1

Fluorine is in group 7, meaning that it has 7 valence shell electrons and to fulfill the octet rule it can only obtain 1 more electron.

When bonding the last lone pair for each of the two fluorine atoms together you create a total of two electrons shared between each.

Therefore you get a total of 8 valence shell electrons.

Remember: when you have 8 valence shell electrons you have obtained an octet

In other words...

8 valence shell electrons = satisfied octet rule
Liula [17]3 years ago
3 0

Answer:

3??

Explanation:

hey??????????????

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Answer:

100 %

Explanation:

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3 years ago
Using the fact that at 0.10 M, the absorbance was 0.357; and at 0.20 M, the absorbance was 0.714, the absorptivity (slope) is
olga_2 [115]

Answer:

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Explanation:

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=\frac{n_2-n_1}{n_2-n_1}\\\\ =\frac{0.714-0.357}{0.20-0.10} \\\\ = ABSORPTIVITY, \ \ a=3.57 \\\\A= a\times b \times c

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A=0.250

length path b=1  

from calibration it is found that

a=3.57\\\\consentation \ c=\frac{A}{a\times b} \\\\C=\frac{0.250}{3.57\times 1}

   =0.07 \ M

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