A positive ion has
a. More electrons than protons.
b. More protons than electrons.
c. A +1 charge always.
d. One proton.
Ans: b. More protons than electrons.
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Substitute the correct prefix to the fun-word "10-3 mouse"
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When a metal surface is illuminated with light of wavelength 437 nm,
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The time required for one-half of a radioactive material to decay is called the
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