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Chemistry, 03.06.2021 01:00 theyenvylexii
Scientific discoveries are often built on the previous findings of other scientists. Millikan's oil drop
experiment occurred after Thompson's cathode ray tube experiment. What did both of these experiments
collectively determine about the atom's subatomic structure? Check all that apply.
Atoms contain negatively charged particles.
The electron has a positive charge.
The electron has a specific mass.
The proton has a negative charge.
DONE
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Answers: 3
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Chemistry, 21.06.2019 22:50
Achemical reaction (also known as a chemical change) produces substances that are chemically different from the starting materials. an example of a chemical reaction is the formation of water from hydrogen and oxygen gas.in a physical change, a substance changes its physical appearance but not its chemical identity. an example of physical change is the formation of liquid water from solid water, a familiar process called melting. physically, liquid water looks very different from solid water (ice) but the chemical identity, water, is the same for both. which of following changes that affect the composition of our atmosphere involve physical changes and which involve chemical reactions? oxygen gas changes to ozone during thunderstorms carbon dioxide is produced by the combustion of gasoline in an automobile engine. when coal, oil, and natural gas are decomposed in landsills they produce methane gas. freezing rain develops when a warm air mass overrides a cold air mass. fog forms from water vapor when the temperature drops below the dew point
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Chemistry, 22.06.2019 06:00
If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?
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