S1: Classification de la matière Flashcards

(12 cards)

1
Q

2 sense au mots Elements

A

Atome d’un type particulier(m nbr de protons) et substance pure former d’un seul type d’atome

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2
Q

Exemples des 2 sense du mots elements

A

Carbone atomique: atome d’un type particulier
Carbone élémentaire: Substance fait de carbone

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3
Q

Type de substance pures

A

Elements et Composes

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4
Q

Substances pures:elemtns

A

Substance Fait d un type d’elemtn

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5
Q

Substances pures: composes

A

Substance fait avec plus qu’un type d’atome

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6
Q

def de melanges

A

Melanges de substances

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7
Q

Melange: Homogene

A

Un melange qu’on ne peut pas distinguer les diff substances, pas de phase visible

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8
Q

Melange Heterogene

A

On peut distinguer les différents phases

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9
Q

Method de separation pour melange heterogenes

A

Filtration

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10
Q

Methode de separation pour melange homogenes

A

Distillation

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11
Q

Type de melanges homogenes

A

Liquides,air et solides

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12
Q

jus d’orange:
air:
or:
eau sucre:
sel:

A

1: Melange Heterogene
2. Melange Homogene gazeux
3. Element
4.Melange Homogene liquide
5.substances pures composes

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