Atomic History Flashcards
What is Chemistry
chemistry is the study of matter
what is matter
matter is anything with mass and takes up space
How is matter classified
matter is classified through in physical and chemical changes
What are the two types of matter
Mixtures and Pure substance
what are the two types of pure substances
Element and compound
what are the two types of mixtures
Heterogenous and Homogenous
Who thought of the billiard ball theory and what was it
Jhon Dalton thought of this theory and his theory was that are matter is made of atoms and they are just balls attached to each other
What was Thompsons Theory explain it
Thompson had the plum pudding theory and his theory was that atoms have electrons that are immersed into a sea of positive charge
What subatomic particle has +1 charge and is found in the necules?
Proton
Who did the gold foil experiment and what what was it?
Rutherford and that atoms orbit in a star formation
What was Bhors model
Bhors model was that electrons orbit the neculis like the planet orbit the sun
