3. if an element has 7 protons then, under normal conditions, it will have 3 electrons. t/f (

Why is nh3 classified as a polar molecule

How many moles of oxygen gas are produced from the decomposition of six moles of potassium

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.