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Author Question: One ______________ is defined as the distance to a star when the star exhibits a parallax of one ... (Read 51 times)

cabate

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One ______________ is defined as the distance to a star when the star exhibits a parallax of one second of arc.
 Fill in the blank(s) with correct word

Question 2

The number of electrons in a hydrogen atom is ______________.
 Fill in the blank(s) with correct word



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kristenb95

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Answer to Question 1

parsec

Answer to Question 2

one




cabate

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Reply 2 on: Jul 28, 2018
Excellent


steff9894

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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