Question

Properties of elements are periodic functions of their atomic numbers and not atomic weights. Give reason
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Answer 1

Answer:

Explanation:

Atomic number of an element is equal to the number of protons or electrons in case of a neutral atom. Physical and chemical properties of elements depend on the number of electrons and their arrangement. Thus properties of elements are periodic function of their atomic numbers and not atomic weights.

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Answer 2

there are three types of element

metal

non metal

Metalloids

in the metal they are good conductor of heat nad electricity they are sonorous they lustre they are malleable and Ductile

in non metal they are poor conductor of heat and electricity they are not luster they are not sonorous they are not malleable and ductile

in metalloids they have mixed properties of metal and non metals

Explanation:

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