I need answers. Thanks in advance

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

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa

At element makes up all organic compounds?