Elemnets, Compounds, Mixtures

Question 1

What is an element?

Answer 1

An element is a pure substance that can not be broken down into any other substance by any physical or chemical means.

A pure substance is a substance that is made up of only one kind of atom.
Examples are gold or 79(Au) and oxygen 8(O)

Question 2

What are atoms ?

Answer 2

The basic particles from which all elements are made of. Different elements are different because they contain different atoms.

Question 3

How do elements get their names?

Answer 3

Elements are represented by 1 or 2  letters, often from the Latin or Greek name for the element. The first letter is capital and the second one lowercase.
Au- aurum , Light for gold.
Ag- Argentum, silver.
Fe - ferric, iron
Na= sodium
O=oxygen
H= hydrogen
Ca=calcium
Cl = chlorine 
C= carbon
S= sulfur

Question 4

Each element can be identified by its own . . . .

Answer 4

Characteristic properties.
For example , physical properties are melting point, boiling point, and density.
Chemical properties are reacting with acid.

Question 5

What can matter be classified into?

Answer 5

Matter can be classified into elements, compounds, and mixtures.