Question

Number of electrons surrounding $Kr \, in \, KrF_2 \, is$

• A. 10
• B. 6
• C. 4
• D. 8

Answer 1

Answer: (A)

10

Answer 2

Krypton (Kr) forms two covalent bonds with two fluorine atoms (one with each fluorine). Number of electrons in valence shell of Kr = 8 .Number of electrons its shares with two F-atoms = 2 $\therefore \,$ Total number of eiectrons found around Kr in KrF =8+2=10