An atom has 18 protons, 20 neutrons, and 18 electrons. What would the charge be if it lost 2 electrons ? 0
-4
-2
+2

Which is mostly likely why many scientists reject the cold fusion theory

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation