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 ...
Sodium is a chemical element with symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged ionâthe Na+ cation. Its only stable isotope is 23Na. The free metal does not occur in nature, but must be prepared from compounds. Sodium is the sixth most abundant element in the Earth's crust, and ...