Question

the electronic configuration of element x 2 8 8 1 and y 2 7 and write the formula of the compound formed when they combine

Answer 1

The 1 electron in the outside shell of x is removed (to leave 8 in xs outside shell) and added to the 7 electrons in the outside shell of y (to make 8 in its outside shell) so the formula will be xy.

Answer 2

The election confiquration of element x any as follow element x y election confiquration 2,8,8,1 2,7

Answer 3

answer of the question

Answer 4

Potassium is 19(k) 2,8,8,1 while flourine is 9(f) 2,7
Thus; potassium will give out one electron to florine, which makes it 2,8,8 and 2,8
K+F-

Answer 5

That was really helpful, but I have another question

Answer 6

Will potassium fluoride be soluble in water