Right Click-> Open image in new tab if hard to read please. Find to three signif

Question

Right Click-> Open image in new tab if hard to read please.

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 H^+ charge C mass kg (b) a singly ionized sodium atom, Na^+ charge C mass kg (c) a chloride ion Cl^- charge C mass kg (d) a doubly ionized calcium atom, Ca^++ = Ca^2+ charge C mass kg (e) the center of an ammonia molecule, modeled as an N^3- ion charge C mass kg (f) quadruply ionized nitrogen atoms, N^4+, found in plasma in a hot star charge C mass kg (g) the nucleus of a nitrogen atom charge C mass kg (h) the molecular ion H_2O^- charge C mass kg

Explanation / Answer

a) ionised hydrogen atom

charge = + 1.6x10^-19 C

mass = 1.67x10^-24 kg

b) a single ionised sodium atom

charge = + 1.6x10^-19 C

mass = 3.817x10^-26 kg

c) a chloride ion

charge = -1.6x10^-19 C

mass = 5.81x10^-26 kg

d) a doubly ionised calcium atom

charge = +3.2x106-19 C

mass = 6.655x10^-26 kg

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