Elemants,compunds and mixtures Flashcards
1
Q
What is a compound?
A
Different types of atoms joined by a chemical bond.
2
Q
What is a mixture?
A
Different types of atoms that are not chemically bonded and can be physically separated.
3
Q
What is a valency?
A
The number of chemical bonds in a compound.
4
Q
Examples of elements.
A
Iron,silver and copper etc.
5
Q
Examples of compounds.
A
Carbon dioxide, H2o (water) and sodium chloride (salt.)
6
Q
Examples of mixtures.
A
Sea water, Tea and air
7
Q
What is an element?
A
A singular type of atom, which can be joined with the same type.
