how do metals occur in nature
Answers
Answer:
Most metals can't resist natural processes like oxidation, corrosion, etc. ... The process of procuring metals from ores is called metallurgy and these naturally occurring compounds of metals are known as minerals. Metals are usually extracted from the earth by mining.
Answer:
In nature, few metals occur in earth's crust in free state or native state while other metals Occur in the combined form.
(1) Elements in free state or native state The metals which are non-reactive with air, water, CO_2 and non-metals occur in free state or native state. For example,ngold, platinum, palladium occur in free state. Metals like Cu, A and Hg occur partly in the free state.
(2) Combined form:
compounds like oxides, The sulphides, metals which are sulphates, reactive occur in the combined state with other elements forming carbonates, silicates, etc.