(D) The elements $B$ (Boron),$Si$ (Silicon),and $Ge$ (Germanium) are all classified as metalloids.Metalloids are elements that exhibit properties inte

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(D) The elements $B$ (Boron),$Si$ (Silicon),and $Ge$ (Germanium) are all classified as metalloids.Metalloids are elements that exhibit properties intermediate between those of metals and non-metals.Boron is a metalloid,Silicon is a metalloid,and Germanium is also a metalloid.Therefore,the correct option is $D$.

Class 10 Science Periodic Classification of Elements The Modern Periodic Table

Easy

Three elements $B$,$Si$ and $Ge$ are

A
metals
B
non-metals
C
metal,non-metal and metalloid respectively
D
metalloids

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Periodic Classification of Elements

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The Modern Periodic Table

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What,if anything,do their atoms have in common?

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The element with atomic number $14$ is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?

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How could the Modern Periodic Table remove various anomalies of Mendeleev's Periodic Table?

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Which element has:
$(a)$ two shells,both of which are completely filled with electrons?
$(b)$ the electronic configuration $2, 8, 2$?

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Write two reasons responsible for the late discovery of noble gases.

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Three elements $B$,$Si$ and $Ge$ are

Similar Questions

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What,if anything,do their atoms have in common?

The element with atomic number $14$ is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?

How could the Modern Periodic Table remove various anomalies of Mendeleev's Periodic Table?

Which element has:$(a)$ two shells,both of which are completely filled with electrons?$(b)$ the electronic configuration $2, 8, 2$?

Write two reasons responsible for the late discovery of noble gases.

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Which element has:
$(a)$ two shells,both of which are completely filled with electrons?
$(b)$ the electronic configuration $2, 8, 2$?