In the Uranium Disintegration Series:
A) the Emission of A \beta

question 9

Multiple Choice

In the uranium disintegration series:

• A) the emission of a \(\beta\)^- particle increases the mass number A by one and decreases the atomic number Z by one
• B) the disintegrating element merely ejects atomic electrons
• C) the emission of an \(\alpha\)particle decreases the mass number A by four and decreases the atomic number Z by two
• D) the nucleus always remains unaffected
• E) the series of disintegrations continues until an element having eight outermost orbital electrons is obtained

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Definitions:

Caudal Vein

A term usually referring to a tail vein in laboratory animals, used for injections or sample collection.

Internal Iliac Vein

A vein located in the pelvis that drains blood from the lower abdomen and pelvis into the common iliac veins.

Hepatic Portal Vein

A blood vessel that carries nutrient-rich blood from the gastrointestinal tract and spleen to the liver.

Postcava

Also known as the inferior vena cava, it's a large vein that carries deoxygenated blood from the lower half of the body into the heart.