Chemistry, 12.10.2020 01:01, skateboardb718
Why is an absorption spectrum especially useful for astronomers?
O It helped astronomers to understand the rainbows we see on Earth after storms
O It shows that the stars are transparent; we can see right through them
O It has bright lines in it which allow astronomers to determine how bright the star is
O It has dark lines in it that allow astronomers to determine what elements are in the
star
Answers: 3
Chemistry, 22.06.2019 02:40, hardwick744
Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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Chemistry, 22.06.2019 10:10, andersonemma2222
How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
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Why is an absorption spectrum especially useful for astronomers?
O It helped astronomers to underst...
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