Elements, Mixtures And Compounds Flashcards
1
Q
What is an element
A
A molecule containing 2 or more atoms of the same type
2
Q
What is a compound
A
A molecule containing 2 or more different types of atoms
3
Q
What are the main type of mixtures found in blood
A
Blood cells make a suspension
Proteins are colloidal in plasma
Fats are an emulsion
And an solution of solutes e.g salts and glucose in water
4
Q
What are metal elements found in the body
A
Potassium
Sodium
Magnesium
Iron
5
Q
What are nonmetal elements found in the body
A
Oxygen
Iodine
Nitrogen
Phosphorus
6
Q
How does the formula of a compound explain the structure of it
A
The formula represents a chemical compound and therefore a chemical change of property of the atoms in it
