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Element with similar chemical properties: A occur only within the same period B have identical atomic mass(weight) C have identical number of neutrons D have the same number of electrons in the outer shell

Element with similar chemical properties:

A

occur only within the same period

B

have identical atomic mass(weight)

C

have identical number of neutrons

D

have the same number of electrons in the outer shell

 

Grade:8

1 Answers

Mayank Ranka
askIITians Faculty 277 Points
3 years ago

The elements of a group have similar chemical properties but in a period they have different chemical properties. For example, Sodium, potassium, lithium, rubidium, and caesium have similar chemical properties.

 
Therefore, Elements with similar chemical properties have (D) the same number of electrons in an outermost shell as the elements in the same group only have the same number of electrons in the outermost shell.
 
Hence, the correct option is D

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