babymoose9723 babymoose9723

16-01-2020
Chemistry

contestada

Which of the following compounds has an atom with an unfilled valence shell of electrons? And why?A. H3O+B. BF3C. CH3OHD. NaI

Respuesta :

abdulismail72 abdulismail72

17-01-2020

Answer: BF3

Explanation: boron needs 4 electron to obtain octet and Fluorine has just one. For the valence shell to be completely filled it will have to form BF4- with 4 fluorine atom surrounding it.

Answer Link

Otras preguntas

A wave is traveling in a string at 58 m/s. when the tension is then increased 17%, what will be the resulting wave speed?

Which type of data purging standard requires seven full passes or rewrites with bit-level erasure software?

Which aspect of equal protection did the Supreme Court consider when it ruled against segregation in public schools? A. Whether equal protection applied to whit

the water was pumped out of a backyard pond. what is the domain of this graph?

Factor (x-1)^3 (4x-9) - (16x+9) (x+1)^2 ? Please explain steps, I'm stuck !

In the book "the summer of the swans" Sara becomes a more forgiving character at the end of the book. Name two people she forgives. What are her motives for for

Given that (-8,-7) is on the graph of f(x), find the corresponding point for the function. f(x-4)

What type of exercise contributes most to building strong bones?

BRAINLIEST FIRST ANSWERER! Please help

A wave is traveling in a string at 58 m/s. when the tension is then increased 17%, what will be the resulting wave speed?