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Chemistry, 21.06.2019 15:40
What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry
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Modern weaponry has increased the number of deaths in wars and violent conflicts.
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Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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Chemistry, 22.06.2019 15:30
What best discribes the relationship between wavelength and frequency in a electromagnetic wave
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Perform the following metric conversions: Please explain bc I really dont get it at ALL
200.7 pm =...
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