Out of the four blocks in which periodic table is divided, helium belongs to which block?

Question

Out of the four blocks in which periodic table is divided, helium belongs to which block? (A) s-block (B) p-block (C) d-block (D) f-block

Tardigrade Admin · Accepted Answer

Helium belongs to the p-block, inspite of differentiating electron occupy 1 s-orbital. Helium has a completely filled valence shell (1 s2) and as a result, it exhibits characteristic properties of other noble gases.

Q. Out of the four blocks in which periodic table is divided, helium belongs to which block?

$s$ -block

$p$ -block

$d$ -block

$f$ -block

Helium belongs to the $p$ -block, inspite of differentiating electron occupy $1 s$ -orbital. Helium has a completely filled valence shell $(1 s^{2})$ and as a result, it exhibits characteristic properties of other noble gases.

Q. Out of the four blocks in which periodic table is divided, helium belongs to which block?

s-block

p-block

d-block

f-block

Helium belongs to the p-block, inspite of differentiating electron occupy 1s-orbital. Helium has a completely filled valence shell (1s2) and as a result, it exhibits characteristic properties of other noble gases.

$s$ -block

$p$ -block

$d$ -block

$f$ -block

Helium belongs to the $p$ -block, inspite of differentiating electron occupy $1 s$ -orbital. Helium has a completely filled valence shell $(1 s^{2})$ and as a result, it exhibits characteristic properties of other noble gases.