Answer:
Correct answer:
The equilibrium expression is defined as the ratio of the concentration of products divided by the concentration of the reactants. Each reactant or product is raised to the power corresponding to its coefficient in the balanced chemical equation.
Explanation:
Answer:
NaF
Explanation:
Electronic configuration of Sodium is as follow,
Na = 11 = 1s², 2s², 2p⁶, 3s¹
As shown in electronic configuration, Sodium has 1 valence electrons in its valence shell. Therefore, to complete its noble gas configuration it donates one electron form Na⁺.
Na⁺ = 1s², 2s², 2p⁶
Electronic configuration of Fluorine is as follow,
F = 9 = 1s², 2s², 2p⁵
As shown in electronic configuration, fluorine has 7 valence electrons in its valence shell. Therefore, to complete its noble gas configuration it accepts one electron from Na to form F⁻.
F⁻ = 1s², 2s², 2p⁶
Henec, in order to form a neutral molecules, one Na⁺ combines with one F⁻ to form NaF.
Answer:
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By increasing the size of cells
Water vapor possesses latent energy. this form of heat energy is the force that drives the water cycle in nature.