Chemistry, 12.12.2020 16:20 alexaguayza6
In a chemical reaction, [] are the substances present after the reaction.
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This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.
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As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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Chemistry, 22.06.2019 20:00
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
In a chemical reaction, [] are the substances present after the reaction....
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