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VMariaS [17]
3 years ago
5

Which of these has the most covalent character? NaF Caf2 Bef2 CsF SrF2

Chemistry
2 answers:
VLD [36.1K]3 years ago
6 0
Bef2 is the compound that has the most covalent character. Whichever element has the greatest electronegativity has the least difference and most covalent character. 
vovikov84 [41]3 years ago
6 0
C.) BeF2 has most covalent character as the difference between electronegativity is minimum in it as compared to others
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Method:

1) Find the atomic number in a periodic table: the number of electrons equal the atomic number

2) Use Aufbau rule

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S                 16</span><span><span>                            1s2 2s2 2p6 3s2 3p4

</span>Ga               31.                   </span><span><span>        1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p</span>       </span>
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