How many atoms are in 10g of Al

Chemistry

1 answer:

pochemuha3 years ago

8 0

Answer:

The correct answer is

Explanation:

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As the concentration of a KOH solution increases, the number of moles of HCl needed to neutralize the KOH solution?

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The element silver exists in nature as two isotopes: 107Ag has a mass of 106.9051 u, and 109Ag has a mass of 108.9048 u. The ave

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Explanation: Please see attachment for explanation

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What makes alkali metals a family?

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How many chlorine ions are required to bond with one aluminum ion and why??

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3 Chlorine ions are required to bond with one aluminum ion.

In ionic bonds, metals atoms loses all its outermost shell electrons to form a cation. While, non metal atoms gains however many electrons in order to make its outermost electron shell be 8 (or 2 if there's only one shell).

Therefore, form the periodic table, we can see that aluminum has a atomic number of 13, which makes its electron arrangement be 2,8,3. So, in order to form a aluminum ion, an Al atom must lose 3 electrons. On the other hand, Chlorine has a atomic number of 17, which means it has the electron configuration of 2,8,7. It has to gain only 1 electron to have 8 outermost shell electron.

Thereofre, 3 Chlorine atom are required to gain all 3 electrons given out by just 1 aluminum ion.

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