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Grace [21]
3 years ago
6

What information is given by the superscripts in an electron configuration?

Chemistry
1 answer:
Paraphin [41]3 years ago
8 0
<span>The superscripts in an electron configuration represents the number of electrons and protons in an element. </span>
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How many grams are in 6.53 moles of Pb
dezoksy [38]
Mr: 207.2
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3 years ago
Which describes an atom of actinium?
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Answer:

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Do anyone know how to do question B
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Answer:

a) IUPAC Names:

                   1) (<em>trans</em>)-but-2-ene

                   2) (<em>cis</em>)-but-2-ene

                   3) but-1-ene

b) Balance Equation:

                       C₄H₁₀O + H₃PO₄   →   C₄H₈ + H₂O + H₃PO₄

As H₃PO₄ is catalyst and remains unchanged so we can also write as,

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c) Rule:

           When more than one alkene products are possible then the one thermodynamically stable is favored. Thermodynamically more substituted alkenes are stable. Furthermore, trans alkenes are more stable than cis alkenes. Hence, in our case the major product is trans alkene followed by cis. The minor alkene is the 1-butene as it is less substituted.

d) C is not Geometrical Isomer:

        For any alkene to demonstrate geometrical isomerism it is important that there must be two different geminal substituents attached to both carbon atoms. In 1-butene one carbon has same geminal substituents (i.e H atoms). Hence, it can not give geometrical isomers.

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Explanation:

The question is what do all types of waves transfer. Waves, both mechanical and electromagnetic are disturbances that transfer energy without transporting matter. It doesnt matter wether they are propagating trough a medium or trough vacuum. Therefore the correct answer is A. energy.

3 0
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Given the balanced equation representing a redox reaction:
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