For 10 points, name this alkali metal with symbol Na, whose chloride is table salt.
This element's namesake "fusion test" is used to determine the presence of halogens, nitrogen, or sulfur in organic compounds, and it is commercially produced from the Downs process. Often stored under oil, this element was first isolated by Sir Humphrey Davy through the electrolysis of lye, which is this metal's hydroxide. This highly reactive element produces a bright yellow flame in flame tests, and its bicarbonate is baking soda. For 10 points, name this alkali metal with symbol Na, whose chloride is table salt.
This element's namesake "fusion test" is used to determine the presence of halogens, nitrogen, or sulfur in organic compounds, and it is commercially produced from the Downs process.
Sodium [accept Na before mention]