Light travels as a/an
A. microwaves
B. longitudinal
C. wavelength
D. electromag...
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold
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If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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