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QR Challenge: Periodic Table

QuestionAnswer
My atomic number is 47 and I am used to make photographic filmSilver
I have 20 neutrons and I am found in your teeth and bonesCalcium
I am a member of the nitrogen family with 16 neutronsPhosphorus
I am a gas with 19 as my Atomic MassFluorine
I am the first element in the fourth period and I am used in making fertilizerPotassium
35.453 is my Atomic MassChlorine
79 is my atomic numberGold
I am a transition metal with 25 electronsManganese
I am a noble gas with 2 electronsHelium
I am the only element in the halogen family that is a liquidBromine
I have 38 protons and am a member of the alkaline earth metals used to make fireworksStrontium
I am a metal that is liquid at room temperatureMercury
I am not really an alkali metal, but since I only have 1 electron I behave like themHydrogen
I am a gas with 8 protons and 8 neutronsOxygen
I am a metal that can melt in the warmth of your handGallium
I am considered the "father" of the periodic tableMendeleev
We are the only two non-silvery metals on the periodic tableGold and Copper
I am the heaviest naturally occurring element on the periodic tableUranium
I can be found in family 15 and Iam commonly used in rat poison and insecticidesArsenic
I have 118 protons and my atomic mass is 294, how many neutrons do I have176
The human body contains enough of me to make 9,000 pencilsCarbon
This is the only letter of the alphabet that does not appear in the periodic tableJ

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