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 ...
The mass of an atom is determined by the amount of protons and neutrons in the nucleus. Since sodium has 11 protons and 11 neutrons and neon has 10 protons and 10 neutrons, so â¦ dium has a larger mass. 2 people found this useful. Gaines Fox.