METALS AND NON METALS

METALS AND NON METALS

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The atomic number of sodium

• 11

• 12

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The atomic number of Mg

• 12

• 14

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The atomic number of chlorine is

• 18

• 17

• 15

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The symbol Ca denotes

• carbon

• calcium

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The symbol of phosphorous is

• P

• Ph

• Po

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The symbol of potassium is

• P

• K

• Po

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The element with atomic number 18 is

• chlorine

• argon

EXCEPTIONS IN PHYSICAL AND CHEMICAL PROPERTIES

• Metals and non metals show exceptions in their physical properties