Solder is not the name of a particular metal. Solder is any soft metal used to join two harder metals together via melting and fusing to the parts of the joint. Many different alloys and pure, elemental metals are used for soldering. Many of the alloys combine some other metal with lead, as lead is very soft and is easy to shape.
Although lead is the most common component of the various kinds of solder, it is not the only kind of metal commonly used. Tin is also a very common component of solder alloys, as it is easy to shape, is stronger than lead, and lacks lead's toxic properties. Silver and copper are other common metals, especially for brazing, a method that produces corrosion-resistant joints at high temperature. Most solder alloys contain at least one of those four metals; many possess them in combination. Zinc is another common component; zinc alloys are especially used as solders for aluminum and steel.
One of the most common solder alloys in use is composed of 60 percent tin and 40 percent lead. An alloy of 63 percent tin and 37 percent lead is commonly used for electrical work. Prior to 1986, the most popular solder used for joining plumbing pipes in the United States was an alloy made of half tin and half lead. Due to legal restrictions on this solder with high lead content, lead-free alloys have become more popular in plumping applications since then.Learn More
A chromium atom, which is a transition element, has six unpaired electrons. In its atomic structure, three unpaired electrons are used for bonding with other elements while the remaining three are involved in changing the levels of energy through absorption of energy from the white light.Full Answer >
Mentos makes soda fizz due to the Mentos breaking the bonds in water molecules and encouraging the growth of more carbon dioxide gas, which is used to carbonate sodas. This is due to a combination of a rough surface area, the density of Mentos candies and their coating.Full Answer >
Hydrogen is found in many places including in gas planets, stars and in water. Hydrogen is one of the two elements found in water, which is created with two hydrogen atoms that have bonded to one oxygen atom.Full Answer >
A pure metal is a substance that contains atoms of only one type of metallic element, such as aluminum, gold, copper, lead or zinc. Most metals very rarely, if ever, appear in their pure form in nature and instead must be extracted from a metal ore.Full Answer >