2 Answered Questions for the topic Helium

04/14/16

Explain what happens to Helium as Hydrogen decreases in the Sun
I'm having trouble with my Science project. On the rubric it stated, "Students use the model to predict how the relative proportions of hydrogen to helium change as the sun ages". The teacher also... more
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Expert Answers •1

11/03/14

The Rydberg Equation and Ionization Energy
I'm not sure where to begin. I really need some help on this one.  I have the Rydberg equation here but I have no idea how to use the answer from the equation and use it to find the second... more
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Expert Answers •1

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