3 years ago

Why do electrons enter the 4s orbital before entering the 3d orbital?

Chemistry

2 answers:

LUCKY_DIMON [66]3 years ago

8 0

C. Because as it get farther from the nucleus the amount of energy is decreasing

salantis [7]3 years ago

7 0

Answer:

C. because the 4s orbital is at a lower energy level

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At which electrode does oxidation occur in a

Trava [24]

The right answer for the question that is being asked and shown above is that: "(2) the cathode in a voltaic cell and the anode in an electrolytic cell." At the status of electrode does oxidation occur in a voltaic cell and in an electrolytic cell is that the cathode in a voltaic cell and the anode in <span>an electrolytic cell</span>

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3 years ago

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The elementary reaction 2 H 2 O ( g ) − ⇀ ↽ − 2 H 2 ( g ) + O 2 ( g ) proceeds at a certain temperature until the partial pressu

daser333 [38]

Answer:

6.75 × 10⁻⁸is the value of the equilibrium constant at this temperature.

Explanation:

2H₂O(g) ⇄ 2H₂(g) + O₂(g)

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Partial pressure of O₂ = 0.00150 atm