The Number of Valence Electrons in a Main Group Element

question 91

Multiple Choice

The number of valence electrons in a main group element is given by

• A)atomic number.
• B)atomic weight.
• C)group number.
• D)mass number.
• E)none of the above.

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Definitions:

Hemodialysis

A medical procedure that uses a machine to filter and purify the blood of individuals whose kidneys are not functioning properly.

Corticosteroids

A class of steroid medications used to reduce inflammation and suppress the immune system, treating a range of conditions from asthma and allergies to autoimmune diseases.

Dorsum

The anatomical term for the back or upper surface of an organ, part, or structure in the body, such as the dorsum of the hand.

Dialysis Fistula

An artificial connection created between an artery and a vein, primarily in the arm, to enhance blood flow during hemodialysis.