8.6BC PROTONS= IDENTITY & VALENCE ELECTRONS=GROUP REACTIVITY
What subatomic particle is the arrow most likely pointing at?
Properties are used to group elements on the periodic table, including REACTIVITY. What GROUP in this atom in?
What element has similar properties as Phosphorus? Use your Periodic Table! HINT: (SAME PROPERTIES/VALENCE ELECTRONS-=SAME GROUP)
Why do all the elements in the same GROUP act the same?
Look on your periodic table. This is an atom of what element? IDENTIFY IT. IDENTIFY = PROTONS = ATOMIC NUMBER (A.P.E. M.A.N.)
How do you find the number of NEUTRONS?
