Which is lightest in weight?
A) oxygen atom
B) hydrogen atom
C) proton
D) electron
E) water molecule
Correct Answer:
Verified
Q43: Where does the chemical reaction known as
Q44: One kilometer is closest to
A) 0.001 meters.
B)
Q45: Roughly how many different elements are there?
A)
Q46: In the photosynthesis reaction
A) carbon combines with
Q47: It is 39 trillion miles to the
Q49: The reverse of the respiration reaction is
Q50: Why can't you directly observe, with the
Q51: In words, 3.5 x 1011 is (HINT:
Q52: A feature of the quantum model of
Q53: The reverse of the photosynthesis reaction is
A)
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