Chemistry, 27.08.2020 21:01 alexsandra120505
PLEASE HELP IM DYING OF CHEMISTRY, I NEED HELP FINDING ATOMIC MASS WITH ISOTOPES
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Chemistry, 21.06.2019 20:00
Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star
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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true
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What is the independent variable in this investigation? mass volume sample number substance density
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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PLEASE HELP IM DYING OF CHEMISTRY, I NEED HELP FINDING ATOMIC MASS WITH ISOTOPES
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