2D.19

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Gabriella Bates 2L
Posts: 95
Joined: Thu Jul 11, 2019 12:15 am

2D.19

Postby Gabriella Bates 2L » Sun Nov 03, 2019 12:40 pm

"Use the covalent radii in Fig. 2D.11 to calculate the bond lengths in the following molecules. Account for the trends in your calculated values: (a) CF 4; (b) SiF 4; (c) SnF 4"

Can someone explain how to do this? Thank you

Jessica Booth 2F
Posts: 82
Joined: Fri Aug 30, 2019 12:18 am

Re: 2D.19

Postby Jessica Booth 2F » Sun Nov 03, 2019 12:46 pm

"Use the covalent radii in Fig. 2D.11 to calculate the bond lengths in the following molecules. Account for the trends in your calculated values: (a) CF 4; (b) SiF 4; (c) SnF 4"
In order to find the bond length of covalent bonds you need to add together the 2 covalent radii for the elements. For a) the covalent radius of C is 77(because it forms a single bond with F in CF4) and the covalent radius of F is 58, so the bond length is 77+58= 135 pm.
The same process is used for parts b and c.


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