The Elements Sodium,magnesium,and Silicon ________

question 24

Multiple Choice

The elements sodium,magnesium,and silicon ________.

• A)are isotopes of each other
• B)are in the same period of elements
• C)have the same number of neutrons
• D)are in the same group
• E)have the same mass number

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Definitions:

Acetabulum

The cup-shaped cavity at the base of the hip bone into which the ball-shaped head of the femur fits to form the hip joint.

Inferior Pubic Ramus

The lower branch of the pubic bone, which together with the superior ramus, forms a part of the pelvis.

Scapula

A flat, triangular bone located in the upper back, part of the shoulder girdle that provides attachment for several muscles.