Which compound has the the highest melting point?
2 answers:
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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:
The intermediate energy level that the electron reached from the ground state is; n= 3.
<h3>What are energy levels in an atom?</h3>The fixed distances from an atom's nucleus where electrons may be found are referred to as energy levels (also known as electron shells). Higher energy electrons have greater energy as you move out from the nucleus.
A region of space within an energy level known as an orbital is where an electron is most likely to be found.
The formula to get the higher level is Rydberg's formula;
1/λ = R(1/n₁² - 1/n₂²)
where;
R is rydberg constant = 1.097 × 10⁷ m⁻¹
We want to find the intermediate level where wavelength = 1281 nm = 1281 × 10⁻⁹ m
Thus;
n₂ = √(1/0.1112)
n₂ ≈ 3
To know more about energy levels, visit: brainly.com/question/10763798
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