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djverab [1.8K]
3 years ago
10

In the periodic table we use today, the ordering of the elements is based on _____.

Chemistry
1 answer:
Firdavs [7]3 years ago
3 0
<span>The ordering of the elements is based on Atomic number. 
Atomic number is the number of protons inside the nucleus of an atom. 

Ordering is from left to right. Atomic number increases successively from left t</span>o right.
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Colorimetric methods of analysis are based on having a reagent that changes _____________ as a function of the concentration of
GREYUIT [131]

Colorimetric methods of analysis make use of Color changes in reagents to decipher the concentration of solutions.

Therefore, color completes the sentence

<h3>Colourimetric analysis</h3>

Generally, Colorimetric analysis is used to know the concentration of a chemical element in a solution while using colour indicators or reagents.

Therefore

Colorimetric methods of analysis are based on having a reagent that changes Color as a function of the concentration of the analyte.

Color

For more information on  Compound

brainly.com/question/704297

3 0
1 year ago
Kostya randomly chooses a number from 1 to 10. What is the probability he chooses a number less than 5?
Ghella [55]
A. 1/2

Explanation- There is a 5/10 chance of choosing on of the numbers which simplifies to 1/2
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3 years ago
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What do acids do in solution?
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B
The answer should be B.....
3 0
3 years ago
A mixture of 117.9 g of P and 121.8 g of O, reacts completely to form P4O6 and P4O10. Find the masses of P4O6 and P4O10
Alex17521 [72]

Answer:

Mass of P4O6=103.4

            P4O10=133.48

Explanation:

Balanced reaction is:

8P +8O_{2}  ⇒P_{4} O_{6} +P_{4} O_{10}

Both reactant completely vanishes as equivalent of bot are equal.

Moles of P=\frac{117.9}{31} =3.80

Moles of O_{2} =\frac{117.9}{31} =3.80

No. of moles of formed product are equal and is \frac{1}{8}th of mole of any of reactant.

Thus weight of  P_{4} O_{6} =\frac{3.80}{8}×220 ≈103.41

        weight of  P_{4} O_{10} =\frac{3.80}{8}×284 ≈133.48

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3 years ago
Which property of isotopes makes them suitable for determining the dates of ancient artifacts? atomic number of the isotope rate
siniylev [52]
Each isotope has a unique rate of decay, making them suitable for determining the dates of ancient artifacts. The answer is "rate of decay of the isotope."
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