Question

_are made up of atom or atoms of the same kind.

Answer 1

Answer:

Molecules

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Answer 2

Answer:

ELEMENTS

More to know -

• An element is the substance which can not be futher broken down .

• It is pure substance and made up of one type of atoms.

• For ex. - Oxygen , hydrogen, gold , silver.

• Element is divided into 3 kinds-

i) Metals

• Have lustre

• Generally hard

• Good conductor of heat and electricity

• Sonorous

• Duclite

• Generally solid ( ecept mercury)

ex- Gold , silver , aluminiun

ii) Non - metals

• Non lustre

• Soft

• poor conductor of heat and electricity

• Non - sonorous

• Non ductile

• Generally found in gas form

ex- Hydrogen, oxygen , cabon- dioxide

iii) Metalloids

• Having properties of both metals and non - metals

Silicon