Solubility of lead iodide 2.0 x 10 moldm3 at 298 k.
Calculate it solubility product Constant.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

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Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine