01) Do the electronic configuration of an element with atomic number 2 =15. Find its group number, group name period number, and valence electrons (20 PO 1- Electron Configuration O1s 223.3p 1332p 3s 3p 01:25 2p 3s 3p Ots 2 2p 3s 3p O152s 2p 3s 3p O132 2p 3s 3p 2. Group Number: 015 18 016 013 ON 014 3-Group Name Nonmetal Akine tarth metals Noble gases All metais Halogen metal M AL Alkali metals Halogens Oother metal 4- Period Number: 05 3 04 O7 08 06 5- Valence Electron: 06 OS 7 03 4 08