Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?
O, F, Mg, S, Ba

F - O - S - Mg - Ba

Explanation:

as you move left to right on the periodic table the number of electrons increase.

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.

i think? ?