The Atomic Mass of N Is 14 U and That

question 30

Multiple Choice

The atomic mass of N is 14 u and that of Ca is 40 u. The proportion of N by mass in the compound Ca₃N₂ is

• A) 19 percent.
• B) 35 percent.
• C) 40 percent.
• D) 81 percent.

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Definitions:

Extinction

In behavioral psychology, the process by which a conditioned response decreases in frequency and eventually disappears.

Second-order Conditioning

A conditioning process where a neutral stimulus becomes a conditioned stimulus through association with an already conditioned stimulus.

Insulin Injection

A medical procedure in which insulin is administered into the body using a syringe and needle, commonly used by individuals with diabetes to regulate their blood sugar levels.

Blood Sugar

The concentration of glucose present in the blood, crucial for energy production in the body.