Difficult
The atomic numbers of the metallic and non-metallic elements which are liquid at room temperature respectively are
- A$55, 87$
- B$33, 87$
- C$35, 80$
- D$80, 35$
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Similar Questions
Which of the following is $Not$ predominantly acidic or amphoteric oxide?
Medium
View SolutionWhich of the following elements is a metalloid?
Easy
View SolutionWhich one of the following orders represents the correct sequence of increasing basic nature of the given oxides?
Difficult
View SolutionIn the modern periodic table,the acidic nature of oxides:
$Br_2 + 2X^{-} \to 2Br^{-} + X_2$
$Cl_2 + 2Y^{-} \to 2Cl^{-} + Y_2$
The incorrect match regarding the above reactions is:
$Cl_2 + 2Y^{-} \to 2Cl^{-} + Y_2$
The incorrect match regarding the above reactions is:
Medium
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