A Pair of Protons in an Atomic Nucleus Repel Each

question 1

Multiple Choice

A pair of protons in an atomic nucleus repel each other,but they are also attracted to each other.Why?

• A)The pair repel each other by nuclear force but attract one another by an electrical force.
• B)The pair repel each other since they are both positively charges but they are held together by much stronger forces known as quarks.
• C)The pair attract each other by nuclear force but also repel one another by a weaker electrical force.
• D)Although it is known that protons repel each other at short distances because of like charge,it is not known what actually holds protons together in the nucleus because we have never seen the nucleus of an atom.

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Definitions:

Insulin

A substance secreted by the pancreas that controls levels of blood sugar by aiding the absorption of glucose by the body's tissues.

Blood Glucose Level

The concentration of glucose present in the blood, which is a critical indicator of metabolic health and is regulated by insulin and glucagon.

Ghrelin Production

The process of producing ghrelin, a hormone primarily released by the stomach that stimulates appetite.

Leptin Levels

Concentrations of leptin, a hormone involved in regulating energy balance and appetite.