0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Is metal made of aluminium foil?
Aluminum foil is a type of metal. Steel, iron, copper, aluminum.. all of those are metals.
What is a metal used used in foil?
Aluminum.
What are 4 physical properties of a piece of aluminum foil?
Malleable, brittle, ductile
What metal is used as silver foil?
depends on foil:aluminumgold (usually called leaf not foil, most common use is lettering on leather bound books)silver (usually called leaf not foil, most common use is lettering on leather bound books)tin (used for purpose aluminum foil is used for, rarely seen today)lead (often used in roofing to prevent leaks from pooling water, thick for foil)etc.
What are the three layers of aluminum foil?
Pure aluminium foil (not mylar), has three layers, a protective oxide coating on each face of the foil, and pure metal inbetween. Mylar is a metallised plastic, one variety has a polyethlene terephthalate film coated on both sides with a thin layer of aluminium. From a microscopic view the aluminium layer has a protective layer of oxide.
What chemicals make up aluminum foil?
"Tin foil" is usually made of (mostly) aluminum. As with any metal, there is a certain amount of impurity present within it (carbon, other metals, etc.). Additionally, aluminum is a very reactive metal, so there is always a thin layer of aluminum oxide (Al2O3) on the surface.
Is the oxide on aluminum foil harmful to humans?
Aluminium oxide is not toxic.
Is aluminum foil a better heat conductor than metal?
no because aluminum foil is a metal
Does aluminum oxide rust?
Yes. In fact, aluminum oxidizes faster than almost any other metal, which is why aluminum foil will, actually, remove rust: The abrasion removes the coating of aluminum oxide that covers all metallic aluminum exposed to the air, and the exposed aluminum metal wants to be oxidized so badly that it will actually steal oxygen from iron oxide, AKA rust, and reduce it back to iron metal. Which is why aluminum foil will, in fact, remove rust. This reaction, interestingly, is the same one that makes thermite work.
Which metal is the hottest?
aluminum metal gets the hottest, not aluminum foil, normal aluminum
What type of metal is found in aluminum foil?
Aluminum
What is the chemical formula for aluminum foil?
The composition of aluminum foil is NOT 100% pure aluminum, as many people believe. You may have noticed that aluminum foil always seems dull on one side, and shiny on the other. This is caused by a naturally-occurring reaction. When Aluminum comes into contact with oxygen, the two elements undergo a spontaneous reaction: 4 Al(S) + 3 O2 (G) => 2 Al2O3 (S) The aluminum foil reacts with oxygen in the air to form a thin layer of Aluminum Oxide on one side of the foil. Because rolls of aluminum foil are generally rolled tightly, the inner side of the aluminum foil is not exposed to the air as much, and it remains shiny. In short, the composition of aluminum foil is pure aluminum (Al) AND aluminum oxide (AL2O3). (And don't worry-- the layer of aluminum oxide on aluminum foil is completely harmless. We've been using foil to cover food for years, after all.)
What metal is used in foil?
aluminum
Why is aluminium foil an element?
because aluminum foil is really metal and metal is an element.
Is metal made of aluminium foil?
Aluminum foil is a type of metal. Steel, iron, copper, aluminum.. all of those are metals.
What is alumium foil?
Aluminum foil is made of the metal aluminum, pressed into a long, thin sheet.
Will aluminum foil rust in water?
Rust is Iron oxide, so no.
