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 ...
Atomic number = (b) Atomic number = (C) 2. a. Mass number = (c) Mass number = 31 b. 7 Number of protons = (a) Number of protons = (a) b. Number of electrons = (b) Number of electrons = (b) c. Number of neutrons = (C) Number of neutrons = 48 4. a. Atomic number = 23 Atomic number = 36 Mass number = 51 Mass number = (c) b. 6. a. 6. Barium4+ 6.