I have 10 protons. Who am I?

I am an Alkali Metal in Period 3. Who am I?

I am a Noble Gas in Period 1. Who am I?

I have 17 protons. Who am I?

I am in Group 2 and Period 4. Who am I?

I am a Halogen with 10 neutrons. Who am I?

I am an Alkaline Earth Metal in Period 6. Who am I?

I have 47 protons. Who am I?

I am a Metalloid with 42 neutrons. Who am I?

I am in Period 6 and am a Noble Gas. Who am I?

I have 92 protons. Who am I?

I am the Lanthanoid with the most number of protons. Who am I?

I am the Actinoid with the least number of protons. Who am I?

I have the most number of protons out of all the currently known elements. Who am I?