MCAT Chemistry Question — Calcium Electron Configuration
What is the electron configuration of Ca in Ca(OH)2? A) 1s22s22p6 B) 1s22s22p63s2 C) 1s22s22p63s23p6 D) Explanation Calcium in Ca(OH)2 exists as an ion Ca2+. The electron configuration of Ca2+ is equivalent to Argon, with orbitals up to 3p filled…