Question

What type of lattices are formed by alkali metal and alkaline earth metal hydrides?

Answer 1

Alkali metal. Alkali metal, any of the six chemical elements that make up Group 1 (Ia) of the periodic table—namely, lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). The alkali metals are so reactive that they are generally found in nature combined with other elements