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Ber [7]
3 years ago
8

Explain what each quantum number in a quantum number set tells you about the electron. Compare and contrast the locations and pr

operties of two electrons within an atom that have the quantum number sets (2, 1, 0, +½) and (2, 0, 0, +½).
Chemistry
2 answers:
Marysya12 [62]3 years ago
5 0
The first electron is in the n=2 shell, the p subshell (l=1), m sub l = 0 so it is in the middle space of its subshell's energy level diagram. It has a positive spin.

The second electron is in the n=2 shell, is in the s subshell (l=0), m sub l = 0 so it is in the middle space of its subshell's energy level diagram. It also has a positive spin.
klio [65]3 years ago
4 0
This is a bit long right now.

(n l m s) these are the numbers.

n=2, second orbital level.
l is the type of orbit: l=1 elongated, l=0 spherical
m=0, magnetic number: 0
s=spin, both have spin positive

You need still to round it up. Srry!

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What is the acknowledgment to ''Do all liquids evaporate at the same rate?'
natita [175]
<span>'Do all liquids evaporate at the same rate
 that would be false

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3 years ago
(20 Points) Which definition of "coarse" matches its use in the phrase "coarse focus?"
vlada-n [284]

Answer by YourHope:


Hi! :)


Which definition of "coarse" matches its use in the phrase "coarse focus?"


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7 0
3 years ago
Read 2 more answers
A pure substance is found to contain 53.7% fluorine and 46.3% xenon by mass. What is the empirical formula of this substance?
evablogger [386]

Answer: XF8

Explanation:

Empirical Formular shows the simplest ratio of elements in a compound.

 Xe = 46.3%             F  = 53.7%

Divide the percentage composition of each element by the atomic  mass.

Xe = 46.3/ 131.3                      F= 53.7/ 19

      = 0.353( approx)               =  2.826 (approx)

Divide through with the smallest of the answers gotten in previous step.

 Xe = 0.353 / 0.353                F = 2.826/ 0.353

       =  1                                       = 8.0

Empirical formular = XF8

3 0
3 years ago
To create an ion you simply need to add or take away an electron true or false
BigorU [14]

Answer:

True

Explanation:

ion: an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

5 0
3 years ago
Read 2 more answers
calcium is obtained industrially by electrolysis of molten cacl2 and is used in aluminum alloys. how many coulombs are needed to
Vinvika [58]

It takes 107 minutes 22 seconds and 96500 coulombs of charge produce 20.2 g of calcium.

The balanced equation for the reaction is,

CaCl _{2} \:→ \: Ca ^{ 2 + }  + 2Cl {}^{ - }

The half-reaction of calcium is,

Ca ^{2 + }  + 2e ^{ - } → \: Ca

Mass of calcium = 20.2 g

The molecular mass of calcium = 40 u.

The number of moles calcium are,

Number \: of \: moles =  \frac{mass}{molecular \: mass}

=  \frac{20.2}{40}

= 0.5 \: moles

One mole of Calcium is produced by 2 moles of electrons.

So, 0.5 moles of Calcium produce,

= 0.5 \times 2

= 1 \: mole \: of \: electron

The charge required to produce 202 g of calcium is,

=  1 \:F

= 1 \times 96500 \: C

= 96500 \: C

Current = 15 A

The time taken to produce 20.2 g of calcium is,

I  =  \frac{Q}{T}

T =  \frac{96500}{15}

= 6433.3 \: s

= 107 \: minutes \: 22 \: seconds

Therefore, 96500 columns of charge are required to produce 20.2 grams of calcium. And it takes 107 minutes and 22 seconds.

To know more about charge, refer to the below link:

brainly.com/question/14713274

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7 0
2 years ago
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