The atomic mass of nitrogen is 14.00674 atomic mass units. Mass numbers of typical isotopes of Nitrogen are 14; 15. Then, subtract the mass of the electron for the mass of the atom to get the mass of a single sodium ion: So, 22.98977 g/mol / 6.022045X10^23 = 3.817602 X 10^-23 g/atom X 1 kg/1000 g = 3.817602 X 10^-26 kg. Without chemical processes involving several of the atmospheric gases, life could not exist. Nitrogen is a gas that has the atomic number 7 and the chemical symbol N. There are 7 neutrons, 7 protons and 7 electrons in a nitrogen atom. Next, you can probably find the mass of an electron which you can also convert to kg. Weights of atoms and isotopes are from NIST article. About Nitrogen gas; 1 cubic meter of Nitrogen gas weighs 1.251 kilograms [kg] 1 cubic inch of Nitrogen gas weighs 0.000723124 ounce [oz] Nitrogen gas weighs 0.001251 gram per cubic centimeter or 1.251 kilogram per cubic meter, i.e. In the case of Nitrogen , density is 0.0012506 g/cm³. Everything has mass and volume, and therefore density. In the ground state, they are arranged in the electron configuration 1s 2 2s 2 2p 1 x 2p 1 y 2p 1 z.It therefore has five valence electrons in the 2s and 2p orbitals, three of which (the p-electrons) are unpaired. Neutron Number and Mass Number of Nitrogen. Hence, Mass of nitrogen in will be 138.47 grams. A nitrogen atom has seven electrons. (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. So it is expected that the smallest piece of matter, like an atom of Nitrogen has it too. What you do is find the molar mass of N from periodic table = 14.01g. Finding molar mass starts with units of grams per mole (g/mol). As, in 101.1 g/mol of contains 14 g/mol of nitrogen.. Nitrogen also has stable isotopes, such as N-14 and N-15. I would like if you could show the work so I … The question also states that the molar mass of nitrogen (N2) is 28.0 g/mole. Molar mass … 1 answer. After researching in many books to find the mass of the earth's atmosphere, I found out that the answer is approximately 5 × 10 18 kg. What is the mass of a single nitrogen atom in grams? 1 mole of nitrogen atoms is equivalent to the gram atomic mass of nitrogen. For 2: For 2: Mass of nitrogen will be 350 grams. So, 1000 grams of will contain = of nitrogen.. Note: Learn more about the density here. Gram atomic mass of nitrogen = 14 g Therefore, 1 mole of nitrogen atoms contains 14 g. Related questions 0 votes. Then, convert that to kg. Mass of nitrogen in = 14 g/mol. The atmosphere is mostly made up of oxygen and nitrogen in their diatomic forms. Answer: For 1: Mass of nitrogen will be 138.47 grams. But what is the density of an atom of N? 2 moles N X 14.01 grams N-----1 Mole N. 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