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alekssr [168]
3 years ago
13

In the ground state Sr atom, how many electrons have quantum number ml = -2?

Chemistry
1 answer:
Ira Lisetskai [31]3 years ago
8 0

Angeerrkdjenhfouvhej

Explanation:

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​If a bag of peas weighs 454 grams, how many peas would be in the bag?
OverLord2011 [107]

​In a bag of peas that weighs 454 grams, there are between 1261 and 4540 peas.

The average pea weighs between 0.1 and 0.36 grams.

If we take the lower value (0.1 g/pea), the number of peas in 454 g is:

454 g \times \frac{1pea}{0.1 g} = 4540pea

If we take the higher value (0.36 g/pea), the number of peas in 454 g is:

454 g \times \frac{1pea}{0.36 g} \approx  1261pea

​In a bag of peas that weighs 454 grams, there are between 1261 and 4540 peas.

You can learn more about conversion factors here: brainly.com/question/1844638

6 0
3 years ago
If you know the number of moles in a sample of a substance, which of the following do you also know about that sample?
jekas [21]

Answer:

You also know about the mass of that sample, if you know the moles

(First option)

Explanation:

Moles = Mass / Molar mass

Moles . Molar mass = Mass

For example, I have 4 moles of H₂O

Molar mass H₂O = 18 g/m

4 m . 18 g/m = 72 g

If I have  4 moles of H₂O, I also have 72 grams of water too.

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3 years ago
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Which one is often used in magnets gold or cobalt?
tangare [24]

Cobalt is often used because it react to magnets while gold does not react to magnets.
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Discuss the four impure forms of carbon
seraphim [82]

Various structures, or allotropes, of carbon, are precious stone, graphite, and fullerenes. In jewel, every carbon iota is attached to four other carbon iotas, shaping an unbending construction that makes precious stones hard.

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Susan was investigating which glue would make the strongest craft stick tower. She
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<u>glue that would make the strongest craft stick tower.</u>

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<u>Independent variable: </u>In statistics and research methods, the term "independent variable" is determined as a variable that is being changed, controlled, or altered in an experiment or research by the researcher or the experimenter to see its effect on DV or dependent variable. However, it is said that independent variable directly effect the dependent variable.

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