The following transition are n=5 to n=2 is balmer series, n=7 to n=2 is balmer series, n=5 to n=1 is lyman series, n=7 to n=1 is lyman series, n=3 to n=2 is balmer series, n=4 to n=3 is paschen series.
Energy level diagrams show us the various series of lines found in the hydrogen atom's spectrum. The diagram's horizontal lines represent various energy levels. An electron moves from a higher energy level to a lower energy level as shown by the vertical lines.
It is crucial that each transition correspond to a specific characteristic wavelength, as shown in the diagram. As a result, various transitions result in various line series. Among the different series acquired are the Lyman, Balmer, Paschen, Brackett, Pfund, and Henry series, to name a few.
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Calculate the percent composition of H3PO4
The percent composition of hydrogen, phosphorous and oxygen in phosphoric acid is 3.06 %,31.60%,65.31 % respectively.
What is percent composition?Percent composition is defined as a convenient way to record concentration of solution.It is a expression which relates solute to solvent as,mass of solute/mass of solution ×100.There are two types of percentage composition percent weight by volume and percent volume by volume .
Percent composition of hydrogen=3/97.99×100=3.06%.
Percent composition of phosphorous=30.97/97.99×100=31.60%
Percent composition of oxygen=64/97.99×100=65.31%
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Perform the following mathematical operation, and report the answer to the appropriate number of significant figures.
1204.2 + 4.72613 = [?]
The answer is not 1208.92613
1208.9213 not then what's the answer
How to recover Aluminum from brass through melting
Answer:
you can do so by pouring it into a vibrating seperator
In a double replacement reaction, why will two metals not combine with each other when products are formed
In a double replacement reaction, two metals will not combine with each other when products are formed because the metals form positive ions that do not attract.
The correct option is C.
What is a double replacement reaction?A double replacement reaction is a reaction in which there is an exchange of radicals between two compounds when a solution of the compounds is mixed together.
In a double replacement reaction, a precipitate is always formed when the two solutions of the compounds are mixed together.
During a double replacement reaction, the metallic ions exchange their negative radicals to form new compounds.
In accordance with the law of charges, similar charges do not attract each other, hence, the opposite ions of the metals and the negative radicals are attracted to each other.
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If we slowly add a solution containing several different aqueous halide ions to a solution of silver ions: Select the correct answer below: only one precipitate will form a number of precipitates will form no precipitate will form impossible to predict
The silver chloride will ppt first as the solution containing several different aqueous halide ions to a solution of silver ions will lead to silver PPT.
Sodium chloride answer is introduced to silver nitrate answer and a white precipitate of silver chloride is straight away formed. The silver nitrate answer is round 0.1M, and the sodium chloride answer round 0.5M.
When the soluble silver(I) nitrate salt answer is mixed with the soluble sodium chloride salt answer, a white precipitate of silver(I) chloride is produced. The bulk of the precipitate seems withinside the shape of a suspended cloud of white solids.
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A carbon atom has a relative atomic mass of
13.3. 60% of the carbon atom has a mass
number of 12.7, 30% of the carbon atom has a
mass number of 13.6, whilst the remaining 10%
has a mass number which is not known.
Calculate the mass number of the carbon isotope
which is 10% of the Carbon 13.3 atom.
Give your answer to 1 decimal place.
According to the claim, the carbon isotope that is 10% of something like the carbon 13.3 molecule has a mass number of 15.1.
Where can you find carbon?The majority of carbon is kept in reservoirs, or sources, such rocks and sediments; the remaining portion is kept in the atmosphere, the seas, and living things. Through the respiration of both and animals, carbon is returned to the atmosphere. Burning things like wood, oil, and gas also releases it.
Briefing:Since all carbon isotopes have an equal atomic mass of 13.3,
(0.60 * 13.3) + (0.3 * 12.7) + (0.1 * x) = 13.3
11.79 + 0.1x = 13.3
x = 15.1
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