A. mobile electrons
B. free electrons
C. octahedral structures
D. layered structures

Correct Answer:

Option D – layered structures

Explanation

Graphite is an excellent dry lubricant. This is because its layered structure allows one layer to slide over another easily. It is non-volatile and not sticky.

SEE ALSO  Calculate the mass of chlorine gas which occupies a volume of 1.12 dm³ a volume of 1.12 dm³ at s.t.p [Cl = 35.5, 1 mole of gas occupies 22.4 dm³ at s. t. p ]

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