Answer:
it's a D answer if it's wrong please can you understand my question please
- Naturally occurring
- Inorganic
- Solid
- Definite chemical composition
- Ordered internal structure
A mineral has to be naturally occurring. Coal is not a mineral because it is carbon-based and comes from fossilized plants. Glass is non-crystalline solid.
Answer:
The most reactive group of elements are found in group 1 which are alkali metals.
Explanation:
The reason why they are so reactive is because they only electron in the outer shell so this causes the to lose that one electron in ionic bonding with other elements.
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