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Because magnesium oxide burns with an intensely bright white light and the dark glasses are to protect your eyes

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Is magnesim oxide an element?

Magnesium oxide is NOT an element.Corrected:It is an ionic compound made of two elements: Magnesium (note: correctly spelled here!) and Oxygen with formula: MgO


What are crystal glasses made out of?

Crystal glasses are not made out of crystal. They're made of regular glass in which the calcium is replaced with lead oxide or zinc, causing them to sparkle more than the usual type of glass.


Is glass an oxide or a carbonate?

No, glass is a form of matter. Many, but not all, glasses are oxides.


What has the author Anne Skancke written?

Anne Skancke has written: 'X-ray studies of some wolfram oxide phosphate glasses' -- subject(s): Glass, Tungsten oxide phosphate, X-ray crystallography


Cupric oxide formula?

The chemical formula of cupric oxide is CuO. It consists of one copper (Cu) atom and one oxygen (O) atom. It is commonly used as a black pigment in ceramics and glasses.


Does the chemical formula Na2Ooxygen exist?

Sodium oxide is a chemical compound with the formula Na2O. It is used in ceramics and glasses.- From the WikipediaYes Na2O does exist.


Is iron II oxide Fe2O3 correct?

No, iron II oxide should be written as FeO. Fe2O3 is actually iron III oxide.


What happens when barium reacts with oxygen?

When barium reacts with oxygen, it forms barium oxide (BaO). This reaction is highly exothermic, releasing a large amount of heat. Barium oxide is a white solid that is commonly used in the production of certain glasses and ceramics.


Does iron weigh the same as iron oxide?

The right question should be: Does one mole of iron weigh the same as one mole of iron oxide? The answer is NO, Iron Oxide weighs more.


What does Li2O form?

Lithium oxide react with water forming a hydroxide:Li2O + H2O = 2 LiOH + H2


What is the important properties of glass?

The properties a glass is made up of depends on what type of glass it is. Some properties glasses contain are: silicon dioxide, sodium oxide, and sodium carbonate.


What is the formula of copper (II) oxide?

The formula for copper(II) oxide is CuO. This is the commonly met black powder. Copper(I) oxide also exists. This is a red powder, and its formula is Cu2O where the 2 should be a subscript.