4. what particle is needed to balance this equation?
al + he —? + p

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

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

What are transitions between a liquid and gas called? identify which way they are transitioning