What Is the Atomic Symbol for an Element with 39 ${ }_{81}^{89} \mathrm{Na}$

question 25

Multiple Choice

What is the atomic symbol for an element with 39 protons and 50 neutrons?

• A) \({ }_{81}^{89} \mathrm{Na}\)
• B) \({ }_{39}^{50} \mathrm{Y}\)
• C) \({ }_{39}^{89} \mathrm{Y}\)
• D) \({ }_{50}^{89} \mathrm{Sn}\)
• E) \({ }_{89}^{227} \mathrm{Ac}\)

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Definitions:

Homogeneous Oligopoly

A market structure where a few firms sell products that are identical or very similar, making the products perfect substitutes for each other.

Laundry Products

These are detergents, fabric softeners, bleaches, and other additives used in the washing of clothes.

Aluminum

A chemical element, symbol Al, known for its lightweight properties and wide use in various industries such as transportation, construction, and packaging.