ଧାତୁ ଓ ଅଧାତୁ ( METALS AND NONMETALS) class 10 physical science chapter-3 in odia || part-4 ||

#ionic_compounds #electrovalent_compounds #metalsandnonmetalsclass10 #revolutioneducation
HOW DOES METALS REACT WITH NONMETALS ??
Metal atoms have only a few electrons in their outer shell whereas non-metal atoms have lots of electrons in their outer shell. This means that metals tend to react with non-metals. When a metal reacts with a non-metal, electrons transfer from the metal to the non-metal.
Forming ionic compounds
Metalatoms have only a few electrons in their outer shell whereas non-metal atoms have lots of electrons in their outer shell. This means that metals tend to react with non-metals. When a metal reacts with a non-metal, electrons transfer from the metal to the non-metal. This creates oppositely charged ions:
metal atoms lose electrons to form positive ions (cations)
non-metal atoms gain electrons to form negative ions (anions)
The strong electrostatic forces of attraction between the oppositely charged ions hold them together. A small separate molecule like water only contains three atoms. However, an ionic compound contains millions of ions, arranged in a regular 3D pattern. This arrangement is called a giant ionic lattice.
Transfer of electrons:
When metals react with non-metals, electrons are transferred from the metal atoms to the non-metal atoms, forming ions. The resulting compound is called an ionic compound.
Formation of ions:
The metal atoms give electrons to the non-metal atoms. The metal atoms become positive ions and the non-metal atoms become negative ions.
When metals and nonmetals other than oxygen react, an ionic compound is formed. Thus sodium metal reacts with chlorine nonmetal to form sodium chloride salt.

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First View

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Al=2, 8,3➡️ ➕➡️ O=2, 6 Al=2 , 8,3↗️ ↘️ O=2,6
↘️ O=2, 6
Al=2, 8
Al=2, 8 O=1, 8
O=1, 8
O=1, 8
Ans➡️ Al2O3
21:42

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Al - 2,8,3
O - 2,6
[Al2 +]+ {O3 -} ------ Al2O3

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Aluminium ra velocity 3 and oxygen ra velocity 2 (criss cross method) Al2O3

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Velocity of oxygen is 3 and Velocity of AL is 2
That's why.

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2Al→3O

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AL+3 O-2

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AL2 O3--------- O_2 AL+3 SIR THIK ACCHI KI KUHANTU

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Al + h2o _______Al2o3

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