Elements $A$ and $B$ with their respective electronic configurations $3d^{10} 4s^1$ and $4d^{10} 5s^1$ in their outermost shell are
- ABoth non-metals
- BBoth coinage metals
- C$A$ is a non-metal and $B$ is coinage metal
- D$A$ is a coinage metal and $B$ is non-metal
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Similar Questions
Calculate the number of unpaired electrons in the following gaseous ions: $Mn^{3+}, Cr^{3+}, V^{3+}$ and $Ti^{3+}$. Which one of these is the most stable in aqueous solution?
Medium
View SolutionWhich of the following is a correct statement?
For what reason is the element $Th$ included in the $f$-block?
Easy
View SolutionHow many of the following metal ions have similar values of spin-only magnetic moment in the gaseous state?
(Given: Atomic number: $V, 23; Cr, 24; Fe, 26; Ni, 28$)
$V^{3+}, Cr^{3+}, Fe^{2+}, Ni^{3+}$
(Given: Atomic number: $V, 23; Cr, 24; Fe, 26; Ni, 28$)
$V^{3+}, Cr^{3+}, Fe^{2+}, Ni^{3+}$
The electronic configuration of copper $({_{29}}Cu)$ is
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