The element X is Copper.
Explanation :
Reactive metals from 3d transition series like Cu are very reactive because their standard reduction potential values are low.
Hence, when treated with a acid it tends to liberate hydrogen gas.
Also, because of its low reduction potential value, it can easily displace lead and tin from their salt solutions.
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Explanation:
pottassium its one of covalent bond
Answer:
Atomic Mass?
Molten state of matter is the inner core and outer core of earth
The cation Fe3+ is formed when a. an atom of iron loses two electrons.