Flashcards

Elements, compounds & mixtures

Lucie McCue Chemistry English 15 cards

Cards in this deck (15)

1What is an element?Found on the periodic table
2What is a compound?Made up of 2 or more elements
3What is a mixture?We are not sure what it is made up of
4Sublimation is....?A solid changing to a gas without passing through a liquid phase
5Colloid is....Particles visual with a light only
e.g. fog
6Solution is....Always clear, even if coloured.
E.g. wine
Solute does not settle & cannot be filtered out. Particles completely dissolve.
7Suspension is...Particles are bigger/heavier than particles in a colloid. Suspension is cloudy, particles are too big to pass through filter paper.
E.g. muddy water
8EmulsionDroplets of one liquid are suspended in another liquid.
E.g. mayonnaise or a solid in a liquid; toothpaste.
9Chemical change is...Can't get it back.
E.g. burning paper
10Physical change is...Can reverse it.
E.g. ice to water
11Carbonis found in every molecule.
12Metals are...silver/shiny, conductors of heat, malleable.
13Non-metals are...brittle, non-conductors
14Malleable meansability to be hammered or pressed into shape without breaking or cracking
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Description: Chemistry Flashcards on Elements, compounds & mixtures, created by Lucie McCue on 30/08/2022.
Created by: Lucie McCue
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