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Metals, Non-Metals and the ones that are both. :)
The best methods are recycling of metals and avoiding squander.
There are several ways to do this. The most common is smelting, a favorite of mine is bioleaching.
one is a planet
the elements are categorised into firstly metals and non metals. metals are on the right and middle and non metals are on the left. Then they are categorised according to reactivity, for example the first column on the far left are all alkali metals, bar helium, which are highly reactive to water and air. Then the next column is of alkali earth metals, which are like alkali metals but are found more naturally are are less reactive. here's a link to a site that might help because i'm not brilliant at explaining
metals are extracted from their ores according to their reactivity series.firstly, metals that are more reactive that carbon are extracted by electrolysis whic is breaking the compounds down using electricity.secondly, metals that are less reactive than carbon are extracted by reduction in which carbon is added to the metal ore, carbon react with oxygen and the metal remain by itself pure.example: Zinc oxide + Carbon ----> Zinc + Carbon dioxideGold and Platinum are found in nature by themselves.
they are different in many ways eg they are shinier
"Or" is a conjunction used to connect two alternates, whether they be alternate ways of phrasing something, "he's a male, or a boy" or different examples, such as the way I just used it.
Metals, Non-Metals and the ones that are both. :)
mescalin comes from a certain type of cactus and it is extracted a few different ways and it is not easy and takes an experienced chemist.
1.metals, semi-metals, non metals 2.Solid, liquid, gas 3.Conductors Semi-conductors Insulators
The way of reaction depends on its type, and the metal. As for the speed, there are different ways to increase or decrease reaction rate(temperature, catalyst.)
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Different countries have different ways of marking gold and silver objects. In the UK objects made of these metals are assayed by the government and stamped with an assay mark.
yes, some metals will rust in various ways and at different speeds. However only metals with iron in them will rust. Other metals will either oxidize or just remain the same. So the answer is partly yes, partly no. It depends what metal specifically.
by electrolysis by thermal reduction
For thousands of years the knife has been used the same way it is used today. Only the metals used are different and the ways it is made are different. This was also true in the gold rush.