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For elements, you can find the answer on the Periodic Table. The atomic number is in the upper left hand corner. This tells how many protons there are in the nucleus, and as these
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If you need to find the telephone number of an you can look in your phone book. If the person is not in your area you can use an online phone book like www.whitepages.com... or www.yellowpages.com
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To find the number of neutrons in an atom all you need is the atomic number and the atomic mass. First find the atomic mass and round it to the nearest whole number. Subtract the
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To find percentage of a number, you need to first change the percentage to a fraction and then multiply by the number. For example, to find 25 percent of 100, you write 25 percent
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