Question

a) give an example for metalloids
b) define tyndall effect​

Answer 1

a-silicon,germanium

b-dispersion of light caused by the particles in it's path

Answer 2

(a) BORON, SILICON, ARSENIC, GERMANIUM, ANTIMONY, TELLURIUM

(b) The Tyndall effect is the scattering of light as a light beam passes through a colloid. The individual suspension particles scatter and reflect light, making the beam visible.

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