A New Element Is Discovered

question 111

Multiple Choice

A new element is discovered.It has two isotopes.The relative abundance of the isotopes and their masses are 18% isotope 1,mass 350.0 u and 82% isotope 2,mass 352.0 u.What is the atomic mass of the element?

• A)351.6
• B)351.0
• C)350.4
• D)352.0
• E)350.0

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Definitions:

Ions

Atoms or molecules that have gained or lost one or more of their electrons, resulting in a net electric charge.

Plasticity

The capacity of the brain to change and adapt in response to experience, learning, or injury.

Brain

The complex organ located in the skull of vertebrates that is the center of the nervous system, responsible for controlling thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger, and every process that regulates our body.

Adapt

To make suitable adjustments to new conditions or environments.