Are the bonds in each of the following substances ionic, nonpolar covalent, or polar covalent?

(a) s8
(b) rbcl
(c) pf3
(d) scl2
(e) f2(f) sf2

Answers :

Solution of each part is given below.

Explanation:

a)     non polar covalent  ( because each sulphur atom shares electron and the net dipole moment is zero.)

b) RbCl    ionic  ( Rb have good tendency to donate electron and chlorine is too electro negative therefore they make strong ionic bond.)

c)   polar covalent ( because of triagonal pyramidal geometry and strong electronegativity of F atom it is polar and covalency is due to the share of electron with each F atom.)

d)  polar covalent ( because of tetrahedral geometry and sharing of electrons between S and Cl.)

e)   non polar covalent ( because of linear geometry they are non polar and bond between them is formed due to sharing electrons.)

f)   polar covalent ( because of T- shape geometry they are non polar and due to sharing of electrons they are polar covalent.)

Hence, this is the required solution.

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answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error