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Novay_Z [31]
3 years ago
13

What is the electron configuration for fluorine?

Chemistry
2 answers:
Dominik [7]3 years ago
6 0

Answer:

1s2 2s2 2p5                

step by step:

Alenkasestr [34]3 years ago
5 0

Answer:

Electron configuration using subshell;

1s² 2s² 2p⁵

using main shell ie;

2,7

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PtichkaEL [24]

Answer:

The right choice is CHCl₃

Explanation:

  • <u>To find the empirical formula firstly, change the mass to moles.</u>

For Carbon :

no. of moles = (mass / molar mass) = (5.03 g / 12  g/mol )=  0.42 mol

<u><em>For Hydrogen  :</em></u>

no. of moles = (mass / molar mass) = (0.42 g / 1  g/mol )=  0.42 mol

<u><em>For Chlorine :</em></u>

no. of moles = (mass / molar mass) = (44.5 g / 35.5 g/mol )=  1.25 mol

The ratio for Carbon and Hydrogen is  1 : 1

0.42 mol / 042 mol =1.00

  • <u> Then find a ratio between the moles. </u>

The ratio of Chlorine to both Carbon and Hydrogen is 3:1

1.25 mol / 0.42 mol = 2.98 ≅ 3

So the ratio is 1 C : 1 H : 3 Cl.

So, the right choice is CHCl₃

Carbon usually forms four bonds one to Hydrogen and 3 to Chlorine atoms.

Chlorine usually forms one bond to Carbon atom.

Hydrogen usually forms one bond Carbon atom.

4 0
3 years ago
Read 2 more answers
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blsea [12.9K]

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3 years ago
PLSSS HELP ME !!!!!1
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Answer:

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3 years ago
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