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How many neutrons does an element have if its atomic number is 50 and its mass number is 166
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Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.
Answers: 1
The light year is used to measure distances where...
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