How many atoms are in 20.5 mg (miligram) argon.
Express answer in scientific notation...
Chemistry, 14.02.2022 14:00 kaffolter25
How many atoms are in 20.5 mg (miligram) argon.
Express answer in scientific notation
Answers: 2
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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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Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest
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Which statement best summarizes the importance of ernest rutherfordâs gold foil experiment? it proved that all of john daltonâs postulates were true. it verified j. j. thomsonâs work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
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