7. Which element in the periodic table is least likely to react with other elements? A. Alkali Metals. D. Noble Gases
C. Halogens. B. Alkaline Earth Metals

Anions are negative charged ions

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Ok so co(g) is not pronoused that. the only clue is that youpronouse it the oppisote way. 

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.