If an atom has 15 protons, 13 neutrons, and 17 electrons, what is the atom's electrical charge?

Which statement describes james chadwick’s discovery.

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol