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choli [55]
3 years ago
6

According to the following electron structure, how many valence electrons do these fluorine have?

Chemistry
2 answers:
Dmitriy789 [7]3 years ago
5 0
Valence electron/s - it's electron/s located in outer shell of an atom.

Fluorin have 7 valence electrons located in 2 shell.
2s² 2p⁵
eimsori [14]3 years ago
5 0

Answer : Fluorine has Seven valence electrons.

Explanation :

Element = Fluorine

Atomic number = 9

Number of electrons = 9

Electronic configuration = 1s^22s^22p^5

Electron structure is also known as electronic configuration. It is defined as the arrangement of electrons of an atom in an atomic orbitals.

According to Electron configuration, the 2s and 2p are the outermost energy shell and the number of electrons in 2s and 2p are 2 & 5 respectively. That means Fluorine has '7' valence electrons.

The electron structure of fluorine is shown below.

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mart [117]

It blocks ACh release so the muscle cannot contract

8 0
3 years ago
If 100 mL of a 12 M solution of HCl is diluted to a final volume of 500 mL, what would be the final concentration of the diluted
AURORKA [14]
Dilution formula:
mv = MV

where one side is concentration × volume BEFORE dilution and the other side is concentration × volume AFTER dilution. 

(100mL) × (12 M) = (500mL) × (X)
(1200 M·mL) = (500mL) × (X)
(1200 M·mL) / (500mL) = X
2.4 M = X

3 0
3 years ago
Please help
ludmilkaskok [199]

Answer: The molecular formula will be C_3H_9

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.  

The empirical formula is CH_3

The empirical weight of CH_3 = 1(12)+3(1)= 15g.

The molecular weight = 45.0 g/mole

Now we have to calculate the molecular formula:

n=\frac{\text{Molecular weight }}{\text{Equivalent weight}}=\frac{45}{15}=3

The molecular formula will be=3\times CH_3=C_3H_9

Thus molecular formula will be C_3H_9

6 0
3 years ago
What is the effect of adding more water to the following reaction at equilibrium? CO2 + H2O H.CO.
LenaWriter [7]

Answer:If the pressure of a gaseous reaction mixture is changed the equilibrium will shift to minimise that change. If the pressure is increased the equilibrium will shift to favour a decrease in pressure.

Explanation:

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3 0
3 years ago
I don’t know how to do it?
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