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Chemistry, 23.06.2019 00:30
When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
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What properties would have caused early researchers to name hydrogen "inflammable air”
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A. 5 C + 6 O2 → CO2 b. 4 Na + 8 Cl2 → NaCl c. 3 CO2 + 4 H2O → H2CO3 d. 7 N2 + 9 H2 → NH3 e. 10 Z...
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