How Many Protons (P)and Neutrons (N)are in an Atom Of ${ } _ { 38 } ^ { 90 } \mathrm { Sr }$

question 81

Multiple Choice

How many protons (p) and neutrons (n) are in an atom of ${ } _ { 38 } ^ { 90 } \mathrm { Sr }$ ?

• A)38 p,52 n
• B)38 p,90 n
• C)52 p,38 n
• D)90 p,38 n

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Definitions:

Elastic Demand

is a situation where the demand for a product or service significantly changes in response to a change in price.

Price Discrimination

Price Discrimination is the strategy of selling the same product at different prices to different groups of customers, based on their willingness to pay.

Pure Monopolist

A market structure where a single company is the exclusive provider of a product or service in a market, facing no competition.

Economies of Scale

Economic benefits that companies gain from their size of operations, which result in a reduction in the cost per unit as the scale increases.