For the first 20 elements below, indicate how each elements valence electrons act in a chemical reaction. insert an l if an element loses electrons, a g if the element gains electrons, an e if the element can either lose of gain electrons. and a u if the element is generally unreactive.

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explanation:

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)

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