Question 25 pts (03.01 MC)

The table shows the total number of electrons in Atom A and Atom B.

Atom Number of Electrons
A 10
B 12
Which statement is correct? (5 points)

Group of answer choices

A will give up two electrons to form bonds.

B will give up two electrons to form bonds.

Both A and B will be chemically unreactive.

Both A and B will gain electrons to become stable.

Which statement is best described as a atom

In which phase(s) do the molecules take the shape of the container?

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.