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Vlad1618 [11]
3 years ago
11

In Universe L, recently discovered by an intrepid team of chemists who also happen to have studied interdimensional travel, quan

tum mechanics works just as it does in our universe, except that there are three d orbitals instead of the usual number we observe here. Use these facts to write the ground-state electron configurations of the second and third elements in the first transition series in Universe.
Chemistry
1 answer:
lidiya [134]3 years ago
6 0

Answer:

Second element(Titanium); [Ar] 3d2 4s2

Third element(Vanadium):Ar 3d3 4s2

Explanation:

Given that there are only three d orbitals in universe L instead of five, the electronic configuration of the second and third elements in the first transition series will now look thus;

Second element(Titanium); [Ar] 3d2 4s2

Third transition element(Vanadium):Ar 3d3 4s2

Hence, the electronic configuration of Titanium and Vanadium in universe L is just the same as what it is on earth.

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gulaghasi [49]

Answer:

A directory of relatives' phone numbers

Hope this helps

Explanation:

5 0
3 years ago
Animals inherit traits from their parents. They pass some of these same traits on to their children. Suppose a pair of animals h
Fantom [35]

Answer:

A. The children will be more likely to survive than if they did not have the trait.

Explanation:

Process of elimination

B. It will not affect the children.

Cannot be true, if it didn't impact the children then how would survival of the fittest work?

D. The children will be able to adapt if the environment changes.

That just... not how adapting works when it comes to evolution.

C. The children will be more likely to survive than their parents were

Everyone has the same trait, everyone is equal in that regard.

A. The children will be more likely to survive than if they did not have the trait.

"Suppose a pair of animals has a trait that helps them survive in their environment." The trait helps them survive. Not having the trait makes them less likely to survive. A is correct

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2 years ago
What are the tube feet on a star fish
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They are used to pass food to the oral mouth at the center, and can attach to surfaces.
8 0
3 years ago
Read 2 more answers
If oxygen with an electronegativity of 3.5 were to make a chemical bond with lithium, electronegativity of 1.0, what kind of bon
sergejj [24]

Answer:

Ionic.

Explanation:

Elements with higher electronegativity values are better at attracting electrons in a chemical bond.  

  • A chemical bond is considered "ionic" if the electronegativity difference between the two bonding atoms is greater than 1.8.
  • Otherwise, this chemical bond is considered "covalent".

In this example, the difference between the electronegativity of oxygen and lithium is 3.5 - 1.0 = 2.5. Since 2.5 > 1.8, the bond between the two elements would likely be ionic.

It is possible to reach the same conclusion based on the fact that lithium is a metal while oxygen is a nonmetal. When metal elements react with non-metal elements, the product is typically an ionic compound- with ionic bonds between the atoms.

6 0
2 years ago
Glycine has pKa values of 2.34 and 9.60. Therefore, glycine will exist predominately as a zwitterion in an aqueous solution with
san4es73 [151]

Answer:

Option (B) pH > 2.34 and pH < 9.60.

Explanation:

In a zwitterionic structure, overall negative charge should be 0.

It means, for glycine, the two functional groups e.g. -NH_{2} and -COOH should bear equal and opposite charges in it's zwitterionic structure.

pK_{a} of -COOH (in glycine) = 2.34

Therefore, at a pH > 2.34, -COOH group of glycine exists predominantly as -COO^{-}.

pK_{a} of  -NH_{2}  (in glycine) = 9.60

Therefore, at a pH < 9.60,  -NH_{2}  group of glycine exists predominantly as -NH_{3}^{+}.

Hence we can say that at 2.34 < pH < 9.60, glycine exists predominantly in zwitterionic form due to presence of -COO^{-} and -NH_{3}^{+} in equal amount.

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3 years ago
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