Find to three significant digits the charge and the mass of the following partic

Question

Find to three significant digits the charge and the mass of the following particles. Suggestion: Begin by looking up the mass of a neutral atom on the periodic table of the elements in Appendix C. (a) an ionized hydrogen atom, represented as II* (b) a singly ionized sodium atom. Na+ (c) a chloride ion Cl- (d) a doubly ionized calcium atom. Ca++ = Ca2+ (e) the center of an ammonia molecule, modeled as an N3_ ion (f) quadruply ionized nitrogen atoms. N4+, found in plasma in a hot star (g) the- nucleus of a nitrogen atom (h) the molecular ion H2O

Explanation / Answer

(a). an ionized hydrogen atom is a proton!

so, mass = 1.67 * 10-27 kg

(b). mass = 3.82 * 10-26 kg

(c). mass = 5.91 * 10-26 kg

(d). mass = 6.67 * 10-26 kg

(e). mass = 2.33* 10-26 kg

(f). mass = 2.33* 10-26 kg

(g). mass = 2.33 * 10-26 kg

(h). mass = 2.98 * 10-26 kg

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