If an atom has no electric charge what can be said about the number or protons and electrons it contains

An atom has a net zero electric charge if the number of protons and electrons it contains are the same.

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

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.