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3 years ago

based on slater's rule, what is the shielding constant experienced by a valance d- electron in a copper atom

Chemistry

1 answer:

liq [111]3 years ago

7 0

Answer:

The general principle behind Slater's Rule is that the actual charge felt by an electron is equal to what you'd expect the charge to be from a certain number of protons, but minus a certain amount of charge from other electrons. Slater's rules allow you to estimate the effective nuclear charge Zeff from the real number of protons in the nucleus and the effective shielding of electrons in each orbital "shell" (e.g., to compare the effective nuclear charge and shielding 3d and 4s in transition metals). Slater's rules are fairly simple and produce fairly accurate predictions of things like the electron configurations and ionization energies.

Explanation:

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The radioactive isotope carbon-14 can be used for

Georgia [21]

Answer: determines the age of sample Carbon-14 is used in radiocarbon dating and radiolabeling. Medically important, a radioactive isotope is carbon-14, which is used in a breath test to determine the ulcer-causing bacteria Heliobacter pylori

The radiocarbon age of a certain sample of unknown age can be determined by measuring its carbon 14 content and comparing the result to the carbon-14 activity in modern and background samples.

3 0

3 years ago

In the science lab, students are testing solutions as acids or bases. the ph level of solution "x" was determined to be an 8. wh

monitta

Solution 'X" would be a base.

5 0

3 years ago

80 liters of oxygen is collected over water at 50.0 degrees Celsius. The atmospheric pressure during the collection was 96.00 kp

vlabodo [156]

Answer:

The value of partial pressure of oxygen $P_{O_{2} }$ = 83.66 K pa

Explanation:

Volume of oxygen = 80 liters

Temperature = 50°c

The total pressure = 96 K pa

The partial pressure of water at 50°c is calculated from the tables.

$P_{H_{2}O }$ = 12.344 K pa

The total pressure is given by

$P_{total} =$ $P_{H_{2}O } + P_{O_{2} }$

Put all the values in the above equation we get

96 = 12.344 + $P_{O_{2} }$

$P_{O_{2} } =$ 96 - 12.344

$P_{O_{2} }$ = 83.66 K pa

This is the value of partial pressure of oxygen.

3 0

4 years ago

What compound/element is this? <br><br> (Easy)

Karo-lina-s [1.5K]

Answer:

C₃H₆ propene

Explanation:

Find the chemical formula by adding all the carbon and then all the hydrogen together.

5 0

4 years ago

If an element has 2 fewer protons than boron, what is its electron configuration?

REY [17]

So boron has an electronic configuration of 1S2 2S2 2P1 and the element with an atomic number of 3 is Lithium which has an electronic configuration of 1S2 2S1.

So the answer is 1S2 2S1.

8 0

4 years ago