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What is the mass of gold in a 2.5 g ring made of 18 carat gold?
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Chemistry, 22.06.2019 19:00
What information does a complete ionic equation give that the balanced equation doesn’t show?
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Chemistry, 23.06.2019 01:30
Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity
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Chemistry, 23.06.2019 16:00
Henry moseley used x-ray experiments to determine the atomic number of elements. how did his discovery contribute to the development of the periodic table? a.it confirmed that elements should be arranged in strict order of increasing atomic mass. b.it led to elements with similar atomic numbers being grouped together. c.it allowed the elements to be placed in strict order of increasing atomic number. d.it showed that the way mendeleev grouped elements together was completely wrong.
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Chemistry, 23.06.2019 16:30
Ashell can hold a maximum of 32 electrons, what is the value of n?
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What is the mass of gold in a 2.5 g ring made of 18 carat gold?...
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