Write down the electron configurations and the box diagrams of the elements [Hydrogen (e = 1) to Calcium (e = 20)] on a piece of paper and
submit a copy of your work.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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1.43 x 10^-11 j the guy commented the awnser just making sure u see it .