Answer | Crossword Clue |
---|---|
SODIUM | Sixth most abundant element in the Earth's crust |
OXYGEN | Most abundant element in the earth's crust |
SILICIC | Pertaining to the second most common element in the Earth's crust |
ALUMINUM | Most abundant metal in earth's crust |
ASTATINE | Rarest naturally occurring element in the earth's crust |
NEON | Fifth-most abundant element in the universe |