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FromTheMoon [43]
3 years ago
10

Adding copper or magnesium to aluminum creates an alloy that is _____.

Chemistry
1 answer:
cestrela7 [59]3 years ago
4 0
Duralumin. it mixed from copper and magnesium or aluminium. it use for flight
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How does electronegativity affects the type of intramolecular bond that is formed between atoms
Effectus [21]

Answer:

If the electronegativity difference between bonded atoms are too much high ionic bonds are formed if the electronegativity diference is 0.4 or less than 0.4 non polar covalnet bond formed the difference greater than 0.4 polar covalent bond formed.

Explanation:

Ionic bond:

It is the bond which is formed by the transfer of electron from one atom to the atom of another element.  

Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.

For example:

Sodium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the chlorine. Sodium becomes positive and chlorine becomes negative ion.

Covalent bond:

It is formed by the sharing of electron pair between bonded atoms.  

The atom with larger electronegativity attract the electron pair more towards it self and becomes partial negative while the other atom becomes partial positive.

For example:

In water the electronegativity of oxygen is 3.44 and hydrogen is 2.2. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and hydrogen becomes partial positive.

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What would happen to life if earth were in a different location within the solar system
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If the valency of oxygen is 2, derive the valencies of the other elements present in the following oxides. Na2O, ZnO , Al2O3 , M
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Answer:

1)Na2O

let the valency of Na is x

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2)ZnO

let the valency of Zn is x

x+2=0

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3)Al2O3

let the valency of Al is x

2(x)+3(2)=0

2x+6=0

2x=-6

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4)MgO

let the valency of Mg is x

x+2=0

x=-2

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A and c MgSO4 and HNO3

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