Reactions of metals with water _ Fizzes steadily and floats, becoming smaller
until it eventually disappears.
Sodium
Fizzes rapidly and melts to form a ball that
moves around on the water surface.
_ The hydrogen produced ignites instantly and
the metal also sets alight, sparking and
burning with a lilac flame.

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Which fact represents evidence for the big bang theory?

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy