The recruitment, selection, employment, and training of apprentices during their apprenticeship shall be without discrimination because of race, color, religion, national origin, or sex. Job Readiness. Applicants must be: 1  physically able to perform the work of the trade.  be prepared to work at extreme heights.
Best Answer: neutrons + protons = 23 ... Sodium Mass Number ... Na Mass Number ... Sodium (Na) Sodium has an atomic number of 11 and a mass of about 23g ... aprox ...
You can find accepted values for the atomic mass of most elements, including sodium, by consulting a periodic table of the elements, or just googling for âatomic mass of sodiumââ¦ so I am guessing you are not so much after the actual number (22.989769u) as what it means.