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cricket20 [7]
3 years ago
13

Identify which sets of quantum numbers are valid for an electron. Each set is ordered (n,ℓ,mℓ,ms).

Chemistry
1 answer:
snow_lady [41]3 years ago
3 0
Well since i need points I am going to say read the text
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Gases and particles which are put into the air or emitted by various sources are called __________. photochemical smog emissions
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Consider the following data for five hypothetical elements: Q, W, X, Y, and Z. Rank the elements from most reactive to least rea
Natalka [10]

Answer:

Y, Q, W, Z and X

Y > Q > W > Z > X

Explanation:

To know the most reactive element, the element will be able to displace other metal in it compound. We also have to observe if the reaction occur. If the reaction didn't occur, that means the element is not reactive than the metal found in the other reactant. Invariably their will be no displacement.

Q + w+ Reaction occurs

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x +z+ No reaction

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w + z+ Reaction occurs

w is more reactive than z as it displaces z in it compound.

Q+ + Y Reaction occurs

Y is more reactive than Q as it displaces Q in it compounds.

Therefore, the most reactive to the least reactive is arrange as follows.

Y, Q, W, Z and X

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3 years ago
Which of the following describes a reaction that reaches equilibrium?
alexandr1967 [171]

Answer:The product and reactants reach a final, unchanging level.

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19. Contrast mitochondria and chloroplasts. (4 points)
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mitochondria are present in the cells of all types of aerobic organisms like plants and animals, whereas Chloroplast is present in green plants and some algae, protists like Euglena. Mitochondria is the colourless, bean shape organelles. Chloroplasts are green colour and disc shape organelles.

Explanation:

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