Home » Chemistry » What is the electronic configuration of an element represented as 199X?What is the electronic configuration of an element represented as 199X? What is the electronic configuration of an element represented as 199X? A. 1s 22s2 2p 5 B. 1s22s23s23p3 C. 1s2 2s2 2p 33s2 D. 1s 22s22p 63s23p64s 1 Correct Answer: Option A Explanation Related Posts Which of the following is the best starting material for the preparation of oxygen? Heating… The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively,… How many valence electrons are contained in the element (^{31}_{15}P)? Neutralization involves a reaction between H3O+ and? In the Haber process for the manufacture of ammonia, the catalyst commonly used is finely… How many orbits are contained in an atom with atomic number 13?