When an Unstable Nucleus Decays by Emitting an Alpha Particle,the

question 42

Multiple Choice

When an unstable nucleus decays by emitting an alpha particle,the atomic number Z of the nucleus

• A)increases by 4.
• B)increases by 2.
• C)decreases by 2.
• D)decreases by 4.
• E)remains unchanged.

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Definitions:

Ascending Colon

The first section of the colon which ascends from the cecum (the beginning of the large intestine) on the right side of the abdomen, absorbing fluids and salts as digested food passes through.

Colostomy

A surgical procedure that creates an opening in the abdominal wall for waste to exit the body, bypassing a diseased or damaged part of the lower digestive tract.

Skin Barrier

Refers to the outermost layer of the skin that protects against environmental contaminants, pathogens, and prevents excessive water loss from the body.

Peristomal Skin

The skin surrounding a stoma, which is an opening created surgically to allow waste to exit the body.