Iron is a type of element because iron is metal and metal is also a mineral
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They have a different amount of neutrons.
Answer:
The advantage of this technique is that purified water as well as deposited metals can be re-used. It is necessary to use an inert electrode, such as platinum, because there is no metal present to conduct the electrons from the anode to the cathode.
Answer: crystalline solid
Explanation: Most ionic compounds exist in crystalline solid form especially at room temperature.
