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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
Which statement about our current knowledge of elements is FALSE?
A) We have now produced over 50 radioactive elements not occurring in nature.
B) 10 radioactive elements are also found on Earth.
C) We now know of more than 110 elements, both natural and man-made.
D) Technetium is found in giant stars, but not yet in nature on the Earth.
E) 81 stable elements have been found on Earth.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
This astronomy class is killing me, thanks for chiming in and answering
Minoring in physics
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#3
8 years ago
Message back if you need anything
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