Explanation:
The orbital for fluorine is 1s 2s 2p. All of the boxes should be filled COMPLETELY until you can't no more. How do you know if you can't anymore? By the <u>atomic number</u> of the element. The atomic number for fluorine is 9. So, you keep adding arrows starting from the first box all the way to the last until you have reached the atomic number, in this case, 9.
Answer:
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Answer:
Neutrons
Explanation:
Isotopes are variations of an element that differ from the number of neutrons.
Lunar eclipse occur on a full moon night when the sun earth moon are alinged in a straight or almost straight line in space. anyone on the night side of the earth at the time of the eclipse can see it