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2 years ago

Explain why the atomic radius of fluorine is smaller than that of lithium

Chemistry

1 answer:

Sladkaya [172]2 years ago

4 0

1. Common knowledge : Go to the right of periodic table, the atomic radius is decreasing

2. Flurine has 9 protons and lithium has 3 protons. you know that the electron is attracted with the centre of the atom, that's why more proton, more 'energy' that attract to the centre and that's why it make the shape of the atom is smaller

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To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ .....(1)

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Given mass of nickel = 14.8 g

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By Stoichiometry of the reaction:

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By Stoichiometry of the reaction:

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Now, calculating the mass of aluminium by using equation 1:

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Hence, the mass of nickel (II) oxide and aluminium that must be used is 18.8 g and 4.54 g respectively.

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2 years ago

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Answer:

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2 years ago

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Answer:

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Explain why the atomic radius of fluorine is smaller than that of lithium​

Explain why the atomic radius of fluorine is smaller than that of lithium