The Atomic Number of Nitrogen Is 7

question 53

Multiple Choice

The atomic number of nitrogen is 7. Which of the following explains the greater mass number of nitrogen-15 compared to nitrogen-14? Nitrogen-15 contains ________.

• A) 7 neutrons and nitrogen-14 contains 8 neutrons
• B) 8 neutrons and nitrogen-14 contains 7 neutrons
• C) 8 protons and nitrogen 14 contains 7 protons
• D) 15 protons and nitrogen-14 contains 14 protons

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Definitions:

PQRST Complex

A series of deflections in an electrocardiogram (ECG) that represent the electrical activity during one heartbeat, including depolarization and repolarization of the atria and ventricles.

Sinus Bradycardia

A slow heartbeat rate originating from the natural pacemaker of the heart, often considered normal in healthy individuals but can indicate underlying health issues.

Electrodes

Conductive pads or plates that transmit electrical impulses, often used in medical monitoring or treatment.

Dermis Layer

The thick layer of skin beneath the epidermis that contains nerve endings, blood vessels, sweat glands, and hair follicles.