Diagonal elements from boron to polonium are known as _____________ .
Answers
Answer:
On the periodic table, a diagonal line drawn from boron (B) to polonium (Po) separates the metals from the nonmetals. Most elements on this line are metalloids, sometimes called semi-metals; elements to the lower left are metals; elements to the upper right are nonmetals.
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Diagonal elements from boron to polonium are known as semi metals.
Explanation:
- In periodic table diagonal line drawn from boron to polonium seperates the metals from non metals.
- Most elements on this line are metalloids.
- From boron to polonium the elements to the lower left are metals and elements to the upper right are nonmetals.
- Polonium (Po) has a position in the periodic table that could make it a metal, a metalloid or a nonmetal.
- It is classed as a metal as its electrical conductivity decreases as its temperature rises.
- Boron (B) is a metalloid because it has characteristics of both metals & non-metal.
- Boron acts as non-metal when it reacts with highly electro-positive metals as Na, K and etc.
- Boron acts as metal when it reacts with F - to produce BF3.
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