The Atomic Mass Number of a Nucleus Is Equivalent to Which

question 29

Multiple Choice

The atomic mass number of a nucleus is equivalent to which of the following numbers?

• A)number of neutrons present
• B)number of protons present
• C)difference in neutron and proton numbers
• D)sum of neutron and proton numbers

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Definitions:

Glucose

An essential sugar which is a key source of energy for living entities and a constituent of various carbohydrates.

Disaccharide

A class of sugars composed of two monosaccharide molecules bonded together, such as sucrose or lactose.

Hydrogen Ion

A positively charged atom of hydrogen, symbolized as H+, crucial in acid-base balance and cellular energy processes.

pH Test Strip

A piece of paper or plastic that changes color when dipped into a solution, allowing for the measurement of the solution's acidity or alkalinity.