Elements

The first 20 elements + Gold and iron. Questions on symbols, atomic number mass number and properties.
What H is the only element without neutrons?. What H has atomic number 2?. What L has mass number 7?. What B has the symbol Be?. What B has 5 protons?. What C is the basis of life on earth?. What N is 80% of the atmosphere?. What O is vital for life?. What F has atomic number 9?. What N is an unreactive gas used in flashy lights?. What S is what the romans called Natrium?. What M is in the same group as Calcium?. What A is a lightweight metal?. What S is used in breast implants?. What P has atomic number 15?. What C is used in swimming pools?. What P has 19 protons?. What C is needed for healthy bones and teeth?. What G is my preciousssss?. What I is good for making bridges?.

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