Physics, 07.05.2021 17:00 linettepizarro1233
The bright lines visible in the emission spectrum of an element represent?
A. the energy released by electrons falling back to a ground state.
B. the colors seen when the element is viewed through a prism at room temperature.
C. the number of protons and neutrons present in the nucleus of the atom.
D. Other:
Answers: 3
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Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
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Physics, 22.06.2019 10:00, ceasar6071
Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
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The bright lines visible in the emission spectrum of an element represent?
A. the energy released...
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