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Andru [333]
3 years ago
11

Where would the electrons in the 3d sublevel be found? Possibly in any shell only in the n = 3 energy level in energy levels &gt

; 3
Chemistry
1 answer:
postnew [5]3 years ago
4 0

Answer:

In the n = 3 energy level

Explanation:

There's is no further explanation for this.

All the electrons in an energy level are distribuited according to the period in the periodic table they are.

So, if we have an atom in period 1, like Hydrogen (H), that atom would only have 1 level energy (n = 1) and in that level, we only have the sub level 1s.

Electrons in the 3d sublevel, are found mostly in all the transition metals of period 3, and it can go from 1 to 10 electrons. To be with the 3d sub level it's neccesary that the energy level to be 3.

energy levels beyond that, like n = 4, we have electrons occupying the 3d sub level, so, primordly, the 3d is found only in energy level 3.

Hope this helps

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Which particle has the least mass
enyata [817]

Answer:

b. proton

Explanation:

The mass of an electron is only about 1/2000 the mass of a proton or neutron, so electrons contribute virtually nothing to the total mass of an atom. Electrons have an electric charge of −1, which is equal but opposite to the charge of a proton, which is +1.

6 0
3 years ago
What are liters, millimeters, and cubic centimeters used to measure
Lapatulllka [165]
<span>They are all units of volume as are, Cubic Metres, Cubic Inches and Cubic Feet. 1mL and 1 cubic centimetre (cc) are the same. Any one of the above is used to indicate the Density of substances which are compared to the density of pure water. By multiplying the Density of water by the Specific Gravity of the substance (Liquid or Solid), its density and, by calculation, it mass can be found. (cc and cmÂł are used for the solid materials. (a mL or Litre of copper or other solid doesn't quite sound right as they are used for liquid volume.</span>
8 0
4 years ago
A sample of chlorine gas occupies a volume of 775 mL at a pressure of 545 mmHg. Calculate the pressure of the gas (in mmHg) if t
madam [21]

Answer : The final pressure of the gas is, 2.47\times 10^3mmHg

Explanation :

Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

P\propto \frac{1}{V}

or,

P_1V_1=P_2V_2

where,

P_1 = initial pressure = 545 mmHg

P_2 = final pressure = ?

V_1 = initial volume = 775 mL

V_2 = second volume = 171 mL

Now put all the given values in the above equation, we get:

545mmHg\times 775mL=P_2\times 171mL

P_2=2470.03mmHg=2.47\times 10^3mmHg

Therefore, the final pressure of the gas is, 2.47\times 10^3mmHg

8 0
4 years ago
A student is told that both energy and mass must be conserved in every chemical reaction. She measures the mass of Hydrochloric
KiRa [710]
I think the mass the mass was less than the original because a gas was released into the atmosphere. The mass in a chemical reaction is constant in a closed system according to conservation of mass law. However, if a chemical reaction is completed in an open system, mas changes may occur. In our case i think the change in mass was due to the release of hydrogen gas from the reaction to the atmosphere.
6 0
3 years ago
Read 2 more answers
A chemist must dilute 97.1 ml of aqueous magnesium fluoride solution until the concentration falls to 389 microMolarity . He'll
mojhsa [17]

Answer:

0.302L

Explanation:

<em>...97.1mL of 1.21m M aqueous magnesium fluoride solution</em>

<em />

In this problem the chemist is disolving a solution from 1.21mM = 1.21x10⁻³M, to 389μM = 389x10⁻⁶M. That means the solution must be diluted:

1.21x10⁻³M / 389x10⁻⁶M = 3.11 times

As the initial volume of the original concentration is 97.1mL, the final volume must be:

97.1mL * 3.11 = 302.0mL =

0.302L

6 0
3 years ago
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