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3 years ago

What the concept of electronic transition

1 answer:

7 0

Electronic transition moments are defined as the probability for a given excitation energy transition to take place. It should be evident that the transition moment depends upon the spin-orbit coupling of the electrons in both the ground and excited states.

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BaS + PtF2 = BaF2 + PtS

dedylja [7]

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Barium Sulfide + Platinum Difluoride = Barium Fluoride + Platinum Sulfide

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4 years ago

Whats the difference between covalent and ionic bonds

AlekseyPX

Answer:

An ionic bond essentially donates an electron to the other atom participating in the bond, while electrons in a covalent bond are shared equally between the atoms. The only pure covalent bonds occur between identical atoms. ... Ionic bonds form between a metal and a nonmetal. Covalent bonds form between two nonmetals.

Explanation:

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4 years ago

Which example is most likely an inorganic compound?

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3 years ago

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The total number of valence electrons in the phosphate ion is

Vitek1552 [10]

Answer:

Step-by-step explanation:

There are two ways you can count the valence electrons.

A. From the Periodic Table

1 × P (Group 15) = 5

4 × O (Group 16) = 4 × 6 = 24

+3 e⁻ (for the charges) = 3

Total = 32

B. From the Lewis structure

In the Lewis structure (below), each line (bond) represents a pair of bonding electrons, and each dot represents an unbound electron (half a lone pair).

5 lines (bonds) = 5 × 2 = 10

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1 double-bonded O atom = 4

Total = 32

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4 years ago

In which reaction is precipitation occurring?

Trava [24]

Answer:- B. $CdSO_4(aq)+K_2S(aq)\rightarrow CdS(s)+K_2SO_4(aq)$

Explanations:- A precipitation reaction is a double displacement reaction in which a solid salt is formed.

If we look at all the given equations then it's only second reaction in which a solid salt (CdS) is formed. In rest of the reactions there is no solid salt formed.

It means A, C and D are not the right choices and so the correct choice is only B.

Here the phase are given for all the products. If the phases are not given then we use the solubility chart to see which reactions would form the precipitate.

Since, the precipitate is formed only in second equation, the correct choice is B.

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4 years ago

What the concept of electronic transition​

What the concept of electronic transition