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Dafna1 [17]
3 years ago
5

Aristonun teorisini çürüten bilim adamı

Chemistry
1 answer:
Paraphin [41]3 years ago
3 0
Can you please translate to English?
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Predict the ground-state electron configuration of the following ions. Write the answer in abbreviated form beginning with noble
Tanzania [10]

Answer: The ground-state electronic configuration of

1) Ru^{2+}=[Kr]4d^6

2) W^{3+]=4f^{14}5d^3

Explanation: The electronic configuration of elements is defined as the distribution of electrons around the nucleus of that element. It depends on the atomic number of the element.

Atomic number of the element = Number of electrons.

  • For Ru-element

Atomic number = 44

Number of electrons = 44

Electronic configuration of Ru-element = [Kr]4d^75s^1

To form Ru^{2+}, 2 electrons are released from the neutral Ru-element.

So, the electronic configuration of Ru^{2+}=[Kr]4d^6

  • For W-element

Atomic number = 74

Number of electrons = 74

Electronic configuration of W-element = [Xe]4f^{14}5d^46s^2

To form W^{3+}, 3 electrons are released from the neutral W-element.

So, the electronic configuration of W^{3+}=[Xe]4f^{14}5d^3

5 0
4 years ago
Read 2 more answers
Calculate the specific heat in J/(g·ºC) of an unknown substance if a 2.50-g sample releases 12.0 cal as its temperature changes
abruzzese [7]

Answer:

the answer is -5 J/(g.°C)

8 0
3 years ago
Two well-known complex ions containing ni are [ni(h2o)6]2+, which is green, and [ni(en)3]2+, which is purple. which one of these
Julli [10]
For [Ni(en)³]²⁺ which is purple, the crystal field splitting energy is greater than the complex ion, [Ni(H₂O)₆]²⁺ which is green in color.
When a Lewis base id attached to the metal ion by covalent bond, then the complex ion is formed and when these complex ions are present with other ions of opposite charge or neutral charge, they will make complex compounds.
7 0
3 years ago
A sound wave has a frequency of 3250 Hz and a
antiseptic1488 [7]

Answer:

c = 325.0 m/s.

Explanation:

Hello there!

In this case, since the frequency, velocity and wavelength are related via:

c=\lambda *f

Whereas c is the velocity, lambda the wavelength and f the frequency. Thus, we plug in the given data to obtain:

c=3250s^{-1}*0.1m\\\\c=325.0m/s

Best regards!

8 0
3 years ago
What is the symbol for copper
bekas [8.4K]
The symbol for copper is CU, which means copper cuprum, the Latin word for copper.
7 0
3 years ago
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