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Feliz [49]
2 years ago
5

Most of the X-rays are absorbed in which layer of Earth's atmosphere?

Chemistry
1 answer:
Rainbow [258]2 years ago
7 0

Explanation:

most of the x-rays are absorbed in thermosphere of earth's atmosphere

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Gold has a high potential and potassium has a low chemical potential.
Aleksandr-060686 [28]
Gold potential is the correct answer
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Give the oxidation number of the element indicated for each compound.
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a. C: +3 ; b. N: +5 ; c. S:+6 ; d. C: +4; e. Mn: +7 ; f. Cr: +6.

Explanation:

Global charges in molecules is 0

You sum all the oxidation states to determine the oxidation state for the compound.

Na₂C₂O₄ → Sodium oxalate → Global charge: 0

Oxidation state for C: +3

HNO₃ → Nitric acid → Global charge: 0

Oxidation state for N: +5

H₂SO₄ → Sulfuric acid → Global charge: 0

Oxidation state for S: +6

HCO₃⁻  →  Bicarbonate → Global charge: -1, this is an anion

Oxidation state for C: +4

KMnO₄ → Potassium permanganate → Global charge: 0

Oxidation state for Mn: +7

Cr₂O₇⁻ → Anion dichromate → Global charge: -2

Oxidation state for Cr: +6

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