The electromagnet and the permanent magnet -- interact with each other as any two magnets do. The positive end of the electromagnet is attracted to the negative pole of the permanent magnetic field, and the negative pole of the electromagnet is repelled by the permanent magnet's negative pole
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To find the number of neutrons, subtract the number of protons from the mass number. number of neutrons
Explanation:
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3. Pour the unknown solid and water into beaker, which weighs 50 grams.