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Helga [31]
3 years ago
10

As the elements are considered from left to right in period 4 which is the correct sequencing of the elements?

Chemistry
1 answer:
velikii [3]3 years ago
8 0

https://quizlet.com/17797282/periodicity-review-flash-cards/


i took a test like this and i went to this site /\ /\ /\ and the flash cards have the answers

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How did the uncertainty principle influence thinking about the arrangement of electrons in atoms?
pishuonlain [190]

Answer:

The correct answer is option C

Explanation:

According to Heisenberg's principle "At the instant of time when the position is determined, that is, at the instant when the photon is scattered by the electron, the electron undergoes a discontinuous change in momentum. This change is the greater the smaller the wavelength of the light employed, i.e., the more exact the determination of the position. At the instant at which the position of the electron is known, its momentum therefore can be known only up to magnitudes which correspond to that discontinuous change; thus, the more precisely the position is determined, the less precisely the momentum is known".

Hence, this principle made scientists to realize that electrons could not be located in defined orbits which a contradictory of Bohr's model.

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3 years ago
How do you solve for the Atomic Mass in chemistry?
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Here is the link to a great video that explains your question nicely, hope this helps.
6 0
3 years ago
Read 2 more answers
PLEASE HELP!
Eduardwww [97]

Answer:

The answer is C, number 4 shows a rift valley

Explanation: This is because the shape of the feature is literally a rift and it forms a valley lol. Also i have some evidence:

7 0
3 years ago
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