Light metals have low atomic weight and are less toxic than heavy metals. Aluminum, sodium, magnesium, beryllium, and lithium are generally classified as light metals. They are easy to use in production and can be used in household items and dietary supplements. Vanadium is sometimes excluded due to its high toxicity.
Light metals are various metals that have a low atomic weight. There is some variation in exactly which metals are classified as heavy and with which are considered light. One major group of metals is usually agreed to meet the criteria for being light, while some others may be classified as heavy or light. Metals of this type have a couple of distinguishing characteristics, including the fact that most tend to be lower in toxicity than heavy metals.
The major group of metals that are generally classified as light include aluminum, sodium, magnesium, beryllium, and lithium. In some cases, metals carrying a weight up to and including nickel are also included in this classification. With metals that are heavier than nickel, there is usually little to no debate about their classification, placing all firmly in the heavy metal category. As there is some difference of opinion as to whether certain metals should be classified as light or heavy, it is sometimes necessary to determine what criteria are used to define or classify metals which tend to fall into this gray area before discussing their relative merits. of light metals against heavy metals.
One of the characteristics that tend to distinguish light metals from heavy metals is that light metal alloys tend to be somewhat less toxic than heavier metals. This does not mean that metals of this type are not toxic to some extent; it means that, as a group, the metals exhibit lower levels of toxicity than those metals typically classified as heavy. There are exceptions to this, with beryllium being a notable example. Another metal that is sometimes classified as light, vanadium, also carries a high amount of toxicity, a factor that has sometimes been used to justify the exclusion of this metal from the light metal class.
One of the other characteristics of light metals is the ease with which the materials can be used in the production of different types of products. Within the light metal industry, various metals can be used to create a variety of household items, including casing for electrical appliances. The low atomic weight of different metals makes them easy to use in light metal smelting, which in turn aids in the mass production of a number of goods. Because metals are relatively easy to work with, some of the products made using such alloys are relatively inexpensive. The metals can also be used in products fit for human consumption, including use as dietary supplements.
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