The nickel solution can be used for this experiment. why foesnt the concentration of nickel in a solution change during electrolysis?

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity