Elements, Compounds and Mixtures Flashcards
1
Q
What is an element
A
An element is a substance that consists of only one type of atom and can’t be broken down into anything simpler by chemical means.
2
Q
What is an atom?
A
An atom is the simplest particle of an element that can exist in its own stable environment
3
Q
What is a molecule?
A
A molecule is a particle that has two or more atoms chemically joined together
4
Q
Hydrogen
A
Colourless
Gas
5
Q
Carbon
A
Black and dull
Solid
6
Q
Copper
A
Pink-Brown, shiny metal, bendy
Solid
7
Q
Iron Fillings
A
Dark, grey and hard
Solid
8
Q
Oxygen
A
Colourless
Gas
9
Q
Aluminium
A
Silvery, hard, shiny and bendy
Solid
10
Q
Sulfar
A
Yellow, dull and brittle
11
Q
Calcium
A
Hard grey and shiny metal
Solid
12
Q
Magnesium
A
Light-grey, shiny and bendy
13
Q
Bromine
A
Reddish-Brown and dull
Liquid
14
Q
What is the symbol for Hydrogen?
A
H
15
Q
What is the symbol for Lithium?
A
Li
