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adoni [48]
3 years ago
13

How many electrons would be found in the Ion who’s symbol is I-

Chemistry
1 answer:
Vesnalui [34]3 years ago
6 0

Answer:

54

Explanation:

Given symbol of the element:

                   I⁻

Number of electrons found in an ion with the symbol:

  This is a iodine ion:

         For an atom of iodine:

                   Electrons  = 53

                   Protons  = 53

                   Neutrons  = 74

An ion of iodine is one that has lost or gained electrons.

For this one, we have a negatively charged ion which implies that the number of electrons is 1 more than that of the protons.

  So, number of electrons  = 53 + 1  = 54

The number of electrons in this ion is 54

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Is cooking oil polar or non polar
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Explanation:

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Explain how a substances flammability can indicate a chemical change.
Marat540 [252]

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3 years ago
How do you calculate a wavelength of light emitted when
Novosadov [1.4K]

Answer: Wavelength of light emitted when  the electron in doubly ionized lithium makes a transition  from E12 to E8 is  0.1050\times 10^{-4m

Explanation:

Li:3:1s^22s^1

Li^{2+}:1:1s^1

Using Rydberg's Equation for hydrogen and hydrogen like atom:

\frac{1}{\lambda}=R_H\left(\frac{1}{n_i^2}-\frac{1}{n_f^2} \right )

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\frac{1}{\lambda}=1.097\times 10^7 m^{-1}\times \left(\frac{1}{12^2}-\frac{1}{8^2} \right )

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3 years ago
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