What Is the Likely Unit Cell for Ionic Compounds of 1:1

question 8

Multiple Choice

What is the likely unit cell for ionic compounds of 1:1 stoichiometry in which the difference in the radii is only about 25% or less?

• A)rock salt
• B)sphalerite
• C)fluorite
• D)cubic
• E)antifluorite

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Definitions:

Sedimentary Rocks

Rocks formed by the deposition and subsequent cementation of mineral or organic particles on the floor of oceans, lakes, or rivers.

Folds

Structures formed by the bending and warping of rock layers due to pressure and heat in the Earth's crust.

Permeable Sandstone

A type of sandstone that allows fluids to pass through it due to spaces between the sand grains, making it important for water and hydrocarbon reservoirs.

Impermeable Shale

A type of shale rock so compact that it does not allow fluids to pass through it, often creating a barrier for groundwater movement.