Set up the ion formation equations, with ionization energy values for each electron valence layer, dosatoms of the chemical elements below: a) Na z = 11 b) Ca z = 20 c) Sr z 38 d) Li z = 3 e) Cs z = 55 f) Be z = 43

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

Lewis structure and molecular geometry for nh2cl

Compare and contrast physical changes with chemical changes.