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No matter how much extra oxygen is available,12 grams of carbon always combines with 32 grams of oxygen.This best illustrates the Law of
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Q91: Write the electron dot symbol for selenium.
Q94: The maximum number of electrons that may
Q123: Which substance has ionic bonds?<br>A) K<sub>2</sub>S<br>B) SO<sub>3</sub><br>C)
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Q154: By measuring the deflection of cathode rays
Q167: The SI unit of length is the
Q171: Iodine has _ valence electrons.<br>A) three<br>B) five<br>C)