Chemistry, 05.05.2020 02:50 landofliam30
Calcula el número de protones, de electrones y de neutrones que posee un átomo de calcio, cuyo número atómico es 29 y cuyo número mastico es 40
Answers: 1
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The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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Chemistry, 23.06.2019 15:50, tatiaa2155
Many radioactive atoms that have large masses undergo radioactive decay by releasing a particle that is identical to a helium-4 nucleus. what changes in the original atom are expected as a result of this natural phenomenon? the atomic number and the mass number will decrease. the atomic number and the mass number will increase. the atomic number will increase, and the mass number will decrease. the atomic number will decrease, and the mass number will increase.
Answers: 2
Chemistry, 23.06.2019 16:30, 19greenlymoos
An is a pure substance that can’t be broken down into simpler substances by chemical or physical means
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Chemistry, 23.06.2019 18:40, ashleymarie11142
0.0006510 kg has how many significant figures.
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Calcula el número de protones, de electrones y de neutrones que posee un átomo de calcio, cuyo númer...
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