Question 4 options:
use an element's symbol and show valence electrons

AnswerLewis symbols are diagrams that show the number of valence electrons of a particular ... of the elements with their number of valence electrons represented as dots ... Only the electrons in the valence level are shown using this notation.:

yaaa

Explanation:

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l