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3 years ago

Which orbitals are completely filled in the neon and argon configurations?

Chemistry

1 answer:

VMariaS [17]3 years ago

8 0

Answer:

Argon has three electron shells. The third shell is filled with eight electrons. That is why it does not easily combine with other elements.

Explanation:

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The symbol for xenon (Xe) would be a part of the noble gas notation for the element antimony. cesium. radium. uranium.

nlexa [21]

The noble gas notation is the short or abbreviated form of the electron configuration.

It means that you use the symbol of the previous noble gas as part of the electron configuration of an element.

The gas noble previous to antimony is Kr, so you do not use Xe to write the electron configuration of Sb.

The gas noble previous to radium is Rn, so you do not use Xe to wirte the electron configuration of Ra.

The gas noble previous to uranium is Rn, so you do not use Xe to write the electron configuration of U.

The gas noble previous to cesium is Xe, so you use Xe to write the noble notation for Sb. This is it: Cs: [Xe] 6s.

Answer: cesium

The ga

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3 years ago

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The vapor pressure of liquid iodomethane, CH3I, is 40.0 mm Hg at 249 K.A sample of CH3I is placed in a closed, evacuated contain

lora16 [44]

Explanation:

It is given that vapor pressure of liquid iodomethane is 40.0 mm Hg. So, if we calculate the vapor pressure according to the given values and if its value will be greater than the the given vapor pressure of iodomethane then it means that some of the vapors has converted into liquid state.

As the given values are as follows.

$P_{1}$ = 72.0 mm Hg, $T_{1}$ = 404 K

$P_{2}$ = ? , $T_{2}$ = 249 K

As volume is constant so, according to Gay-Lussac's law pressure is directly proportional to temperature.

$P \propto T$ (at constant volume)

or, $\frac{P}{T}$ = k

Therefore, the formula to calculate the value of $P_{2}$ is as follows.

$\frac{P_{1}}{T_{1}}$ = $\frac{P_{2}}{T_{2}}$

$\frac{72.0 mm Hg}{404 K}$ = $\frac{P_{2}}{249 K}$

$P_{2}$ = 44.37 mm Hg

As calculated vapor pressure is more than the given vapor pressure. Hence, the liquid will convert into gas.

As a result, no condensation will occur and only vapors of iodomethane will be present.

5 0

3 years ago

The density of osmium, which is the densest metal, is 22.57 g/cm^3. What is the mass of a block of osmium that measures 1.00 cm

olganol [36]

Density = Mass / Volume
V = 1.00 * 4.00 * 2.50 = 10 cm³
22.57 g/cm³ = Mass / 10 cm³
M = 22.57 g/cm³ * 10 cm³
M = 225.7 g
Answer: The mass of the block of osmium is 225.7 g.

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3 years ago

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A substance that is uniform in composition, made up of two or more atoms in the same place, and NOT chemically combined is a ___

kap26 [50]

Answer:

homogeneous mixture

Explanation:

from goigle

7 0

3 years ago

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