Chemistry, 23.11.2020 18:50 hughesnatalia2003
If an atom of an element has a mass number of 45 and it has 20 neutrons in its nucleus, what is the atomic number of the element?
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Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
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Ill give u brainliest pls how is mass of carbon conserved during cellular respiration
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At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.
Answers: 1
If an atom of an element has a mass number of 45 and it has 20 neutrons in its nucleus, what is the...
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