I have 3 Protons
Lithium
I am a metal that is liquid at room temperature
Mercury
I have an atomic mass of 10.81
Boron
I am the basis for all life on earth
Carbon
I am a gas with 8 protons and 8 neutrons
Oxygen
I am not really an alkali metal but since I have only 1 electron, I act like them
Hydrogen
Gold
Silicon
I am a gas with 8 protons and 8 neutrons
Oxygen
I have a 35.45 atomic mass and am found in swimming pools
Chlorine
My atomic Mass is 39.10
Potassium
I am a transition metal with 25 electrons
Manganese
I am in the 15th group and am used to poison things and sometimes people unfortunately
Arsenic
I am a member of the Nitrogen family with 16 neurons
phosphorus
I am in the 18th group and am used to fill balloons
Helium
I have 20 neutrons and am found in your teeth and bones
Calcium
I am a transition metal with 30 electrons useful in making paint
Zinc
I have an atomic number of 52
Tellurium
I have 2 electrons in the first shell, 8 in the second shell and 6 in the third shell
Sulfur
I have 53 electrons
Iodine
I am a member of the alkaline earth family and am used to make fireworks and medicine
Magnesium
I have 26 Protons
Iron
My chemical symbol is Po
Polonium
I make up 78% of the air and am found in the 15th group
Nitrogen
I am the only member of the halide family (halogen) that is a liquid. I have an atomic mass of 79.90
Bromine