Si un átomo tiene un número másico de 44 y un número atómico de 20, ¿cuántos protones, electrones y neutrones tiene el átomo, si este tiene una carga negativa igual a -2?

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? ?

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