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AleksandrR [38]
3 years ago
6

What is the maximum number of electrons that can occupy the d sublevel?

Chemistry
2 answers:
Serjik [45]3 years ago
4 0

Answer:

10

Explanation:

The electron configuration for an element follows some rules:

K 1s2 (2 electrons)

L 2s2 sp6 (8 electrons)

M 3s2 3p6 3d10 (18 electron)

N 4s2 4p6 4d10 4f14 (32 electron)

and so on...

But you don't do it linearly, you go 1s, 2s, 2p, 3s, 3p, 4s, 3d....

And you can follow some rules if you have 24 electrons, for example, the sequence should go 1s2, 2s2, 2p6, 3s2, 3p6, 4s1, 3d5

TiliK225 [7]3 years ago
3 0
D-sublevel can occupy 10 ELECTRONS .....
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3 years ago
2.25 g/ml at 700mmHg, 200 C. Find molar mass of gas.
Harrizon [31]

Answer:

Molar mass = 94972.745 g/mol

Explanation:

Given data:

Density = 2.25 g/ml

Pressure = 700 mmHg

Temperature = 200°C

Molar mass = ?

Solution:

Density = 2.25 g/ml (2.25×1000 = 2250 g/L)

Pressure = 700 mmHg (700/760 = 0.92 atm)

Temperature = 200°C (200+273 = 473K)

Formula:

d = PM/RT

M = dRT/P

M = 2250 g/L × 0.0821 atm.L /mol.K ×  473K / 0.92 atm

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M = 94972.745 g/mol

6 0
3 years ago
If a weak acid is 25% deprotonated at ph 4, what is the pka?if a weak acid is 25% deprotonated at ph 4, what is the pka?
Oksanka [162]
4.48
pH=pKa+log([A-/HA])

25% deprotonated tells us that A- is .25 and that the rest (75% is protonated) thats .75.

4 = pKa + log\frac{.25}{.75}
4 - log\frac{.25}{.75} = pKa
4.48=pKa

7 0
3 years ago
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9. To become like a noble gas the element P will have a charge of
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Answer:

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