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For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have
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Which element would mostly likely have an electron affinity measuring closest to zero
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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On a cold morning, the air pressure in the tires of an automobile measures 34 pounds per square inch...
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