(c) $\ \ \ \ Na\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ K\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Ba\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Ca\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Sr$ yellow pale violet apple green brick red crimson
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.