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  • Which of the following elements can not be cut with a knife? Option: 1 K Option: 2 <

Which of the following elements can not be cut with a knife? 

Option: 1

K 


Option: 2

Na


Option: 3

Ca 


Option: 4

Ti


Answers (1)

best_answer

Alkali metals are generally soft and can be cut with a knife except for Lithium, This is due to weaker cohesive forces between them or weak metallic bonding. 


While d- block elements have stronger metallic bondings and generally can not be cut with a knife. 

 K, Na, and Ca are soft metals and can be cut with a knife. Ti is a d-block element and hard enough that it can not be cut with a knife 

The correct answer is option 4. 

 

Posted by

jitender.kumar

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