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Bingel [31]
2 years ago
13

Work out the size of angle X which is 123° and 42° and x help me​

Chemistry
1 answer:
Sloan [31]2 years ago
7 0
Dude drop a photo of the question, what you’re saying make no sense
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Which description of nitrogen-15 is correct?
VashaNatasha [74]
The first one is correct cause first of all it's atomic number is 7 and second of all it's atomic mass is about 15
8 0
2 years ago
The complete orbital notation diagram of an atom is shown.
Elan Coil [88]

values of the quantum numbers: -6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6

location of the electron: In the 7th energy level away from the nucleus.

Explanation:

From the description of the problem, the magnetic number is given is as -6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6 and the electron is located in the 7th energy level away from the nucleus. Basically, the problem is testing for the understanding of the principal quantum numbers which gives the location of electrons and the magnetic quantum number that shows the spatial orientation of the orbitals.

           The orbital designation of the describe electron is 7d

  1. Magnetic quantum number is limited by the azimuthal quantum number which is the quantum number describing the possible shapes. The azimuthal is given as L= n-1. "n" is the principal quantum number which is 7. Therefore L is 6 and the magnetic quantum numbers are -6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6
  2. The position of the electron is given by the principal quantum number which represents the main energy level in which the orbital is located or the average distance from the nucleus. Here it is 7.

Learn more:

brainly.com/question/9288609

#learnwithBrainly

5 0
3 years ago
If a liter of water is cooled from 50 to 30 what happens to its volume
dangina [55]
In general when you heat up a liquid such as water its volume "increases" as the heat energy causes the water molecules to move leading to more space between molecules causing it to occupy a larger volume.

hope that helps
7 0
3 years ago
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The pH of a solution in which the concentration of H+ is 0.010M will be:
shusha [124]

B: 2

If it's right plz give brainliest lol <3

7 0
2 years ago
Write application of isotopes .
SCORPION-xisa [38]

Answer:

In the chemical industry.

6 0
2 years ago
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