The elements sodium through to argon make up Period 3 in the Periodic Table. Which row shows the pattern across Period 3 from left to right?
- Anumber of outer shell electrons decreases; metallic character decreases; group number decreases
- Bnumber of outer shell electrons decreases; metallic character increases; group number decreases
- Cnumber of outer shell electrons increases; metallic character decreases; group number increases
- Dnumber of outer shell electrons increases; metallic character increases; group number increases