Question

Identify the metalloid in the following list?
A) Silicon B) Sulphur C) Scandium D) All of the above

Answer 1

Answer:

$\bigstar\:\underline{\boxed{\bf{\red{Metalloids:}}}}$

• Metalloids have a solid state of matter.
• Metalloids have a metallic luster.
• Metalloids have low elasticity, they are very brittle.
• Physically, they are shiny, brittle solids with intermediate to relatively good electrical conductivity.

➡ The elements are broadly classified into

• Metals
• Non metals
• Metalloids

✴ Metals : >78% of all known elements appear on the left hand side of the periodic table.

[Li, Na, K, Rb, Cs, Sc, Ti, V, Cr, Mn, Be, Mg, Ca, Sr, La, Ce, Nd, Au, Ag, Pt...]

✴ Non metals : <20%, lie on the top right hand side of the periodic table.

[N, O, F, Cl, Br, I, S, Se...]

✴ Metalloids or semi-metals :

B, Si, Ge, As, Sb, Te, Po and At.

____________________________________

A) Sillicon > Metalloid (✔)

B) Sulphur > Non metal

C) Scandium > Metal

D) All of the above