Relier Pairs Periodic Elements Quiz (D)Version en ligne Match theelement with the symbol and number par Meg-Everett Hann 1 Symbol= N 2 Mg 3 Na 4 5 Atomic number 13 6 Oxygen 7 Neon 8 Atomic number 5 9 Silicon 10 11 12 Chlorine Atomic Number 17 13 14 Carbon 15 Hydrogen 16 Potassium 17 Lithium 18 Sulfur 19 Argon 20 Helium Boron Calcium Berylium Phosphorus Sodium Number 7 Atomic Number 2 Magnesium Atomic Number 8 Fluorine Atomic Number 10