I think it is 100 percent
I had to draw a sodium atom so if i remember correctly there are 11 electrons, 11 protons, and 12 neutrons. Cx Hope I helped.
Radius temperature and brightness
Alkaline earth metals
Group 13 aka the boron family is categorized as alkaline earth metals
It’s cranky and white shaped where it’s pretty shiny and crystals inside them where they spark off your eyes