Periodic table with full electronic configuration of each element .clearly describe

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen