What Is the Mass Number of an Atom Which Is

question 79

Multiple Choice

What is the mass number of an atom which is made up of 38 protons, 52 neutrons and 38 electrons?

• A) 38
• B) 52
• C) 90
• D) 128

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Definitions:

Cognitive Development

The process by which individuals learn and acquire intelligence, conscious thought, and problem-solving ability from infancy to adulthood.

Construct Knowledge

The process of actively creating new understandings and insights based on personal experience and interaction with the environment.

Motor Processes

The physical actions and activities related to the movement and control of the body and its parts.

Walking Alone

The act of moving on foot without the company of others, which can refer to literal solitude or metaphorically to independence or self-reliance.