A Helium Nucleus Contains Two Protons and Two Neutrons

question 61

True/False

A helium nucleus contains two protons and two neutrons.The mass of the helium nucleus is greater than the combined masses of two protons and two neutrons because binding energy has been added.

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Definitions:

Adoptive Siblings

Children who become siblings through the process of adoption, not by biological relation.

Body Mass Index

A measure used to assess a person's body weight relative to their height, often used to categorize underweight, normal weight, overweight, and obesity.

Settling Point

The Settling Point theory suggests that body weight is regulated by a balance between energy intake (food) and energy expenditure, where the body naturally seeks to maintain an equilibrium or "settling point."

Serving Size

A standardised amount of food or drink, recommended as a portion for consumption, often used in nutritional labelling.