If an atom has 3 protons, 3 electrons and 2 neutrons, what is the atom's electrical charge?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Name 3 types of energy you see being used as you look around a classroom

Why is it that 85.48 rounded to two significant figures is 85 and not 86?