An Element Has 5 Stable Isotopes

question 66

Multiple Choice

An element has 5 stable isotopes. The mass and percentage of each are: 69.9243 20.52%
71) 9217 27.43%
72) 9234 7.76%
73) 9219 36.54%
75) 9214 7.76%
The element is which of the following?

• A) As
• B) Se
• C) Ge
• D) Ga
• E) Zn

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Definitions:

Emotional Reactions

Responses that involve feelings, such as happiness, anger, or sadness, triggered by external events or internal thoughts.

Expectations

Beliefs or anticipations about the way events, actions, or behaviors should unfold in the future.

Reappraisal

A cognitive process that involves changing one's interpretation of a situation in order to alter its emotional impact.

Temper

A person's state of mind seen in terms of their being angry or calm.