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Author Question: Lithium, beryllium, and boron are elements with atomic number 3, 4, and 5, respectively. Even though ... (Read 51 times)

jho37

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on: Jul 27, 2018
Lithium, beryllium, and boron are elements with atomic number 3, 4, and 5, respectively. Even though they are three of the five simplest elements, why are they rare compared to many heavier elements?
 
  What will be an ideal response?

Question 2

Do you think it is possible that a 1.5-solar-mass red giant could harbor an advanced civilization? Explain your reasoning.
 
  What will be an ideal response?


kswal303

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Reply #1 on: Jul 27, 2018
Answer to Question 1

Helium fuses into carbon by combining three helium nuclei (atomic number

Answer to Question 2

A 1.5-solar-mass red giant is a temporary stage of life for a low-mass star. If an advanced civilization had already developed around this star, which is possible, then it may have had the resources to respond to its expanding, cooling, and brightening star.


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