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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Estrogens

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Progesterone

A hormone released by the ovaries that plays a role in the menstrual cycle and pregnancy.

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The monthly shedding of the uterine lining in females, part of the menstrual cycle that prepares the body for pregnancy.

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A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and glucose metabolism.