Notable Figures
Introduced the term “atoms”
Who was Democritus?
Positively charged in the atom
What are protons?
Hydrogen (H)
What is 1?
Boron (B)
What is 11?
Discovered neutrons
Who was James Chadwick?
Produced the plum pudding model
Who was J.J. Thomson?
What in the atom is neutrally charged
What are neutrons?
What is 5?
Chromium (Cr)
What is 52?
Plum pudding model
Who was J.J. Thomson
Father of modern chemistry
Who was Antoine Lavoisie?
What is negatively charged?
Neon (Ne)
What is 10?
Rhodium (Rh)
What is 103
Who was Ernest Rutherford?
Introduced the atomic theory
Electrons of an atom reside in what?
What is the surrounding of a nucleus?
Argon (Ar)
What is 18?
Silicon (Si)
What is 28?
Fine-tuned Rutherford’s model
Who was Niels Bohr?
Discovered radium and polonium
Who was Marie and Pierre Curie?
Neutrons of an atom reside in what?
What is the nucleus?
Iron (Fe)
What is 26?
Selenium (Se)
What is 79?
Discovered that electrons were perceived as waves, as well as the concept of electronic orbital
Who was Louis Debrogile