What element burns in contact with water?

What element burns in contact with water?

This page describes the reactions of the Period 3 elements from sodium to argon with water, oxygen and chlorine. Sodium has a very exothermic reaction with cold water producing hydrogen and a colourless solution of sodium hydroxide. Magnesium has a very slight reaction with cold water, but burns in steam.

How many miles does someone walk in a day?

The fitness gap detected by the pedometer studies is equal to about 30 to 40 minutes of walking each day. One mile of walking covers about 2,000 steps, researchers say. The health community typically urges people to take at least 10,000 steps a day to maintain good health, which is equal to about five miles of walking.

Where was modern pizza invented?

Pizza ( i/ˈpiːtsə/, Italian pronunciation: [ˈpittsa]) is an oven-baked flat bread usually topped with a tomato sauce, cheese and various toppings. The modern pizza was invented in Naples, Italy, and the dish has since become popular in many parts of the world.

What great lake caught on fire?

When Lake Erie – or more exactly the Cuyahoga River which flows into Lake Erie – caught fire in 1969, it ignited a firestorm of public outrage over the indiscriminate dumping of sewage and industrial chemicals into the Great Lakes.

When was the Rococo period?

Rococo Style. Rococo Style, style of 18th-century painting and decoration characterized by lightness, delicacy, and elaborate ornamentation. The rococo period corresponded roughly to the reign (1715-74) of King Louis XV of France.

Is north America and south America one continent?

Depending on the convention and model, some continents may be consolidated or subdivided: for example, Eurasia is most often subdivided into Europe and Asia (red shades), while North and South America are sometimes recognized as one American continent (green shades).

What unit of time is a “jiffy”

A jiffy is a unit of time equivalent to 1/100th of a second. Likely, there is almost nothing humanly possible that can be accomplished in a “jiffy.”

Why is it called a hamburger?

The name “hamburger” actually came from Hamburg, the second largest city in Germany. In the late 1700s, sailors who traveled between Hamburg and New York City often ate hard slabs of salted minced beef, which they called “Hamburg steak.”