Answer:
visible light falls between which set of waves within the electromagnetic spectrum?
D.) infrared and Ultraviolet
Answer:
12 moles of MgO could eventually form.
Explanation:
In the reaction:
2KClO₃ → 3O₂ + 2KCl
2 moles of KClO₃ produce 3 moles of O₂. 4 moles of KClO₃ produce:
4 mol KClO₃ × (3 mol O₂ / 2 mol KClO₃) = <em>6 mol O₂</em>
In the second reaction:
2Mg + O₂ → 2MgO
1 mole of O₂ produce 2 moles of MgO. Thus, 6 mol of O₂ produce:
6 mol O₂ × (2 mol MgO / 1 mol O₂) = <em>12mol MgO</em>
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Thus, <em>12 moles of MgO could eventually form.</em>
Electronic Configuration of Cu⁴⁺ is written using these two steps;
Step I:
Write the Electronic Configuration of Copper (Cu).
As Atomic Number of Cu = 29
So,
1s², 2s², 2p⁶, 3s², 3p⁶, 3d¹⁰, 4s¹
Rearranging it in order of increasing orbital energy,
1s², 2s², 2p⁶, 3s², 3p⁶, 4s¹, 3d¹⁰
Or,
Cu = [Ar] 4s¹, 3d¹⁰
Step II:
Now, the Cu⁴⁺ ion has lost 4 electrons, So one electron from 4s and 3 electrons from 3d orbital are removed, The resulting electronic configuration becomes,
Cu⁴⁺ = [Ar] 3d⁷
Explanation: Sodium is a metal with a low electronegativity it will form an ionic bond with a non metal with a high electronegativity.
Both Florine and Sulfur are non metals with high electronegativity.
Neon is a noble gas family VIII A and normally doesn't form any bonds at all.
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