Recent content by blue4882

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    What is the mass in grams of a single atom

    What is the mass in grams of a single atom of each of the following element? Hg? Anybody that can help it would be greatly appreciated
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    I could someone me with this problem?

    I need help could someone please help me with this problem? How many atoms are there in 3.90 moles of sulfur (S)?
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    Chemistry How many atoms are there in 3.90 moles of sulfur (S)?

    I need help could someone please help me with this problem? How many atoms are there in 3.90 moles of sulfur (S)?
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    Processing 0.25% Silver Ore to Obtain 2 Pounds

    How many cubic centimeters of ore 0.25% by mass silver must be processed to obtain 2.0 pounds of silver? The density of the ore is 7.0 g/cm cubed. cm cubed; 1.00 pound=454 g. Assume that the process is 100% efficient. I get the answer of 520 but the answer is 52000 and i don't understand why...
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    Solving an Isotope Cation Symbol Problem

    Can somebody please help me with this problem? i Would really appreciate it.:smile: One isotope of a metallic element has mass number 59 and 31 neutrons in the nucleus. The cation derived from the isotope has 26 electrons. Write the symbol for this cation.