If 201 × 10²³ Atoms of an Element from Group IA

question 71

Multiple Choice

If 2.01 × 10²³ atoms of an element from Group IA of the periodic table has a mass of 7.675 grams,this element is most likely

• A)Li.
• B)Na.
• C)K.
• D)Rb.
• E)Cs.

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Definitions:

Respiratory Rate

The number of breaths taken per minute, a vital sign indicating the breathing rate of an individual.

Capillary Refill

The time taken for color to return to an external capillary bed after pressure is applied; used to assess peripheral blood flow.

IV Solution

A liquid solution delivered directly into a vein through an intravenous line for hydration or medication.

Infusion Rate

The speed at which a drug or other substance is administered intravenously to a patient, usually measured in milliliters per hour (ml/hr).