Some common metals I can think of are: Magnesium, Mg, which gives a bright white colour; Ca, which gives a brick red flame; K, which gives a purple flame; Na, which gives an orange flame etc...
metals...
There are no "nonmetallic metals", all metals are metallic by definition.
Metals are used in chemistry for coating of some metalloids and nonmetals
No, it can not be used. Every element has colour homogeneity.
Electromagnets are used in recycling metals to separate ferrous metals from non-ferrous metals. When a magnet is applied to a mixture of metals, only the ferrous metals (which are magnetic) are attracted to the magnet. This allows for efficient sorting and separation of different types of metals for recycling purposes.
Iron is used !
Many different metals are used. Jewelry is often based on certain expensive metals such as gold, platinum, or silver, but other metals are used as well.
zinc chromium tin
No. Every element is homogeneous.
We can electroplate most of the metals. The metals used in electroplating are steel, zinc, iron, etc.
Metals are not made, only mined, refined, and used. Metals are used for making things like kettles, airplanes, appliances, cars, bicycles, and stuff like that.
Yes, no filler metal is used. Often used on thin metals, the metals are pressed together and electricity is used to heat the metals to a state they melt slightly and fuse together.