A certain element has only two naturally occurring isotopes: one with 18 neutrons and the other with 20 neutrons. The element forms 12 charged ions when in ionic compounds. Predict the identity of the element. What number of electrons does the 12 charged ion have?

Explanation:

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a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.