Chemistry (ez)

Question 1

What has J.J Thomson done?

Answer 1

Plum pudding model of atom

Question 2

how do you do the Bohr model of the atom?

Answer 2

electrons orbit the nucleus in distinct energy cells
ex. Na atom
#(P)Protons= 11
#(E)Electrons= 11
#Nucleus=12

Question 3

What experiment did Rutherford do?

Answer 3

Gold foil experiment

Rutherford Theory is that atom mostly is empty space

• Tin Nucleus
• outside nucleus

Question 4

Daltons Atomic Theory

Answer 4

All matter is made of small particles atoms

Atoms can’t be created destroyed or divided

Atoms combine to form compounds