How Many Orbitals Are Contained in the Third Principal Level

question 92

Multiple Choice

How many orbitals are contained in the third principal level (n = 3) of a given atom?

• A)9
• B)3
• C)18
• D)7
• E)5

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Definitions:

Iliac Crest

The uppermost edge of the ilium, one of the three bones that make up the human pelvis, important for muscle attachment and as a landmark in medical procedures.

Iliac Fossa

A concave surface on the inner side of the ilium, part of the pelvic bone, which serves as the origin for several muscles.

Medial Side

The side of a body part or structure that is closest to the midline of the body.

Ilium

The Ilium is the largest bone of the pelvis, constituting the uppermost and largest part of the hip bone.