Sorted Flashcards
What is a atom
The smallest partial of an element that excised
Li
Lithium
Na
Sodium
K
Potassium
Fe
Iron
Cl
Chlorine
I
Iodine
What the is a molecule
Contains two atoms of chlorine two atoms of fluorine and one atom of carbon
What is an element
A pure substance
What’s a compound
When u takes elements and chemical join them together
What’s a pure substance
It contains only one element or compound
What’s and alloy and what is it used for
Mixtures of metal
And there are used for making jewelry
What are melting freezing and boiling points
Meting- when a solid changes into a liquid
Freezing-also the melting point
Boiling- when evaporation happens
Effects of impurities in these points
Melting-they lower the melting point
Freezing- lowers the freezing point
Boiling- it increases the boiling point