Which Statement About Our Current Knowledge of Elements Is FALSE

question 72

Multiple Choice

Which statement about our current knowledge of elements is FALSE?

• A)We now know of more than 110 elements, both natural and artificial.
• B)81 stable elements have been found on Earth.
• C)10 radioactive elements are also found on Earth.
• D)We have now produced over 50 radioactive elements not occurring in nature.
• E)Technetium is found in giant stars, but not yet in nature on the Earth.

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Definitions:

Cognitive

Relating to mental activities involved in the acquisition, processing, storage, and retrieval of information.

Feeling

A complex psychological state that involves physiological and cognitive components in response to stimuli or internal thoughts.

Intuition

Rapidly formed judgments based on “gut feelings” or “instincts.”

Attitudes

Psychological tendencies expressed by evaluating a particular entity with some degree of favor or disfavor.