Which contains carbon? salt lipid phosphorus water

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

What’s the percent by mass of carbon in c10h14n2

Is 9 correct? and can someone me with 10? it’s due tomorrow, you