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10 May, 13:19

Match the element with its description.

Match

Term

Definition

Potassium

A) Malleable and highly reactive

Barium

B) Great conductor of heat and electricity

Boron

C) Has properties of both metals and nonmetals

Neon

D) Nonreactive gas

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Answers (1)
  1. 10 May, 13:26
    0
    Potassium

    Malleable and highly reactive.

    It is present in group one.

    It has one valance electron.

    It lose one electron and readily react with other metals.

    Barium

    Great conductor of heat and electricity.

    Barium is present in group two.

    It has two valance electrons.

    It is alkaline earth metal.

    Boron

    C) Has properties of both metals and nonmetals.

    Boron in present in group 13.

    It is metalloid because it is present in crystalline form like metals and very low conductivity like non metals.

    Neon

    It is non reactive gas.

    It is present in group 18.

    Its octet is complete and non reactive noble gas.
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