Elements Flashcards
1
Q
What are the 4 types of elements?
A
Earth,Wind,Water and fire
2
Q
What is an element ?
A
An element is a substance that contains only one type of atom it cannot be broken down
3
Q
How many elements are there and how many are man made?
A
There are 26 man made elements and 118 elements all together
4
Q
What is an atom?
A
The atom is the smallest part of an element that can exist on its own
5
Q
Meaning of compounds
A
They cannot be easily separated into their elements and they are always two or more elements bind together and chemically used by heat. Etc:H20, aluminium chloride
6
Q
Meaning of mixtures
A
Different substances are not chemically bonded together and they can be easily separated using techniques such as filtration or chromatography etc air
