Different forms of the same element (such as O2 and O3) are called_ .These forms differ in the way the atoms are bonded together. ​

whats the meaning of /

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