Answer | Crossword Clue |
---|---|
formatives | FORMATIVE, a formative element or agent |
formative | tending to form / a formative element or agent |
son | person closely associated with or deriving from a formative agent (as a nation, school, or race) |
cerium | a malleable ductile steel-grey element of the lanthanide series of metals, used in lighter flints and as a reducing agent in metallurgy. Symbol: Ce; atomic no: 58; atomic wt: 140.115; valency: 3 or 4; relative density: 6.770; melting pt: 798°C; boiling pt: 3443°C |