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3220479
Properties of Substances
Descrição
Properties of substance
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science
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Mapa Mental por
syikinnnasir
, atualizado more than 1 year ago
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Criado por
syikinnnasir
mais de 8 anos atrás
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Resumo de Recurso
Properties of Substances
Ions
A charged particle. A neutral atom that loses electrons becomes a positive ion but atom that gains electron becomes a negative ion
Type of particles:- consists negative ions and positive ions
Condition at room temperature:- solid
Boiling and melting point:- high
Arrangement of particles:- very close
Forces of attraction:- Strong, through ionic bonding
Electrical conductivity:- Cannot conduct electric in molten state but can conduct electric in aqueous or molten states
Atoms
The smallest, indivisible particle of an element that can take part in a chemical reaction
Type of particles:- consist of atoms
Condition at room temperature:- solid except mercury
Boiling and melting point:- high
Arrangement of particles:- very close
Forces of attraction between particles:- very strong through metallis bonding
Electrical conductivity:- conducts electricity in solid and molten states
Molecules
Consists of two or more atoms of the same type or of different types that chemically combined together
Type of particles:- consists of molecules
Condition at room temperature:- solid, liquid, gas
Boiling point and melting point:- low
Arrangement of particles:- solid: very close, liquid: close, gas: far apart
Forces of attraction:- weak, through van der Waals forces
Electrical conductivity:- cannot conduct electricity
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