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Sergio039 [100]
3 years ago
8

One way in which elements differ from each other is the structure of the electron cloud in each elements Atoms in electron cloud

an electron that is farther away from the nucleus has
Chemistry
2 answers:
Bond [772]3 years ago
5 0

The question is incomplete, the complete question is:

One way in which elements differ from each other is the structure of the electron cloud in each element’s atoms. In an electron cloud, an electron that is farther away from the nucleus has

a greater charge than an electron near the nucleus.

a smaller charge than an electron near the nucleus

a higher energy than an electron near the nucleus.

a lower energy than an electron near the nucleus.

Answer:

a higher energy than an electron near the nucleus.

Explanation:

Energy levels increase outwards from the nucleus. An electron that is nearest to the nucleus is said to be in its ground state, this is the lowest energy state of that electron. As we move outwards from the nucleus, the energy levels increase progressively. Hence, the farther electrons are from the nucleus, the greater their energy level and the greater the energy of the individual electrons.

BartSMP [9]3 years ago
4 0

Not sure what you are asking. I have two possible answers though...

It could either be more negatively charged, or valence electrons.

The more away from the nucleus a electron is, the more negatively charged it is.

The electrons on the outermost electron shell is valence electrons.

Again, I don't know what you were asking, but one of these answers may be correct.

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Answer: Cardiovascular System

Explanation:

This involves your heart, blood, veins, and arteries

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3 years ago
Which of the following statements regarding glucose is FALSE?a) Glucose is the main component of starch and glycogen.b) Glucose
marishachu [46]

Answer:

The correct option is C.

Explanation:

Carbohydrates are one of the macro molecules that are consumed by living organisms. The end product of carbohydrate is glucose. Glucose is a very important fuel that the body cells used to produce energy, which they use to carry out their daily activities. Glucose is also known as blood sugar and it is the only fuel that living cells can use for the production of ATP. Other food macro molecules such as lipids and proteins can also be converted to glucose if there is a need for that. Glucose is always stored in the body in form of glycogen.

The statement given in option C about glucose is wrong because glucose is a monosaccharide and not a disaccharide.

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3 years ago
Polonium has a mass number of 212 and an atomic number of 84. In a balanced nuclear reaction, polonium releases an alpha particl
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Answer:

D. 82

Explanation:

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2 years ago
At a certain temperature the vapor pressure of pure thiophene is measured to be . Suppose a solution is prepared by mixing of th
Lesechka [4]

Answer:

0.35 atm

Explanation:

It seems the question is incomplete. But an internet search shows me these values for the question:

" At a certain temperature the vapor pressure of pure thiophene (C₄H₄S) is measured to be 0.60 atm. Suppose a solution is prepared by mixing 137. g of thiophene and 111. g of heptane (C₇H₁₆). Calculate the partial pressure of thiophene vapor above this solution. Be sure your answer has the correct number of significant digits. Note for advanced students: you may assume the solution is ideal."

Keep in mind that if the values in your question are different, your answer will be different too. <em>However the methodology will remain the same.</em>

First we <u>calculate the moles of thiophene and heptane</u>, using their molar mass:

  • 137 g thiophene ÷ 84.14 g/mol = 1.63 moles thiophene
  • 111 g heptane ÷ 100 g/mol = 1.11 moles heptane

Total number of moles = 1.63 + 1.11 = 2.74 moles

The<u> mole fraction of thiophene</u> is:

  • 1.63 / 2.74 = 0.59

Finally, the <u>partial pressure of thiophene vapor is</u>:

Partial pressure = Mole Fraction * Vapor pressure of Pure Thiophene

  • Partial Pressure = 0.59 * 0.60 atm
  • Pp = 0.35 atm

3 0
3 years ago
I cant help you with math and science homework or project just email at shahlaalgow g mail com
Kisachek [45]

Answer:

thanks

Explanation:

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3 years ago
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