What Is the Term for the Number of Protons in the Nucleus

question 43

Multiple Choice

What is the term for the number of protons in the nucleus of each atom of an element? It also indicates the number of electrons in the atom.

• A) Isotope number
• B) Mass number
• C) Mass-to-charge ratio
• D) Atomic number
• E) Atomic mass units

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Definitions:

Altruistic Aim

The goal of acting with selfless concern for the well-being of others.

Extrinsic Goal

An objective that is motivated by external factors, such as rewards or recognition from others.

Parasympathetic Nervous System

Part of the autonomic nervous system responsible for conserving energy and promoting relaxation and recovery, often referred to as the "rest and digest" system.

Autonomic Nervous System

The part of the nervous system responsible for involuntary functions such as heart rate, digestion, and respiratory rate, comprising sympathetic and parasympathetic divisions.