Each element consists of only one type of atom.
a.) true
b.) false

its first and third is your answer i did the qustion the fourth isnt right

you need to have a picture of the atom that way we can answer it

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

answersilicon (si); oxygen (o);