3 years ago

If a neutral atom has 5 protons (+) and 5 neutrons (0), how many electrons does it have?

Chemistry

1 answer:

BlackZzzverrR [31]3 years ago

7 0

Answer: i think maybe 10.

Explanation:

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The valence electron configuration for antimony (Sb) is:

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Sb²⁻ = 5s²5p⁵5d⁰

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Sb²⁻ = 5s²5p³5d²

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The value of Kp for the reaction NO(g) 1 1 2 O2(g) 4 NO2(g) is 1.5 3 106 at 25°C. At equilibrium, what is the ratio of PNO2 to P

expeople1 [14]

Answer : The ratio of $p_{NO_2}$ to $p_{NO}$ is, $6.87\times 10^5$

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The expression of $K_p$ will be,

$K_p=\frac{(p_{NO_2})}{(p_{NO})\times (p_{O_2})^{\frac{1}{2}}}$

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$1.5\times 10^6=\frac{(p_{NO_2})}{(p_{NO})\times (0.21)^{\frac{1}{2}}}$

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