Iron - I have 26 protons, Hydrogen - I am not really an alkali metal, but since I have only 1 electron I behave like them, Nickel - I am a metal with 28 electrons, Oxygen - I am a gas with 8 protons and 8 neutrons, Silver - My atomic number is 47 and I am used to make photographic film, Calcium - I have 20 neutrons and am found in your teeth and bones, Phosphorus - I am a member of the nitrogen family with 16 neutrons, Fluorine - I am a gas with a mass number of 19, Potassium - I am the first element in the fourth period used in making fertilizer, Sulfur - I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell, Gold - My atomic number is 79, Manganese - I am a transition metal with 25 electrons, Helium - I am a noble gas with 2 electrons, Iodine - I am a member of the halogen family with an atomic number of 53, Zinc - I am a transition metal with 30 electrons useful in making paint,

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