Which of the following elements is a metalloid?
- A$Bi$
- B$Po$
- C$C$
- D$Sb$
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Similar Questions
$Be$ and $Al$ show similarities in properties due to diagonal relationship except in the property $X$ given below. What is $X$?
The electronic configuration of three elements $A, B$ and $C$ are given below. The molecular formula of the compound formed from $B$ and $C$ will be
$A : 1s^2, 2s^2, 2p^6$
$B : 1s^2, 2s^2, 2p^6, 3s^2, 3p^3$
$C : 1s^2, 2s^2, 2p^6, 3s^2, 3p^5$
$A : 1s^2, 2s^2, 2p^6$
$B : 1s^2, 2s^2, 2p^6, 3s^2, 3p^3$
$C : 1s^2, 2s^2, 2p^6, 3s^2, 3p^5$
Medium
View SolutionWhat are the major differences between metals and non-metals?
Medium
View SolutionMatch the following:
Oxide Nature $a$. $CO$ $i$. Basic $b$. $BaO$ $ii$. Neutral $c$. $Al_2O_3$ $iii$. Acidic $d$. $Cl_2O_7$ $iv$. Amphoteric
Which of the following is the correct option?
| Oxide | Nature |
|---|---|
| $a$. $CO$ | $i$. Basic |
| $b$. $BaO$ | $ii$. Neutral |
| $c$. $Al_2O_3$ | $iii$. Acidic |
| $d$. $Cl_2O_7$ | $iv$. Amphoteric |
Which of the following is the correct option?
MediumNEET 2020
View SolutionExplain the periodic properties of elements and their reactivity trends in the periodic table.
Difficult
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