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Only two elements naturally exist in a liquid state- mercury and bromine.
There are approximately 1.5 billion English speakers in the world. That’s 20 percent of the world’s population! About 600 to 700 million of those are non-native speakers.
How how can we determine the valency
What is the main demerit of Mendeleev periodic table
What is the use of silver nitrate
What is the relationship between the electronic configuration of an element and it's valency