Atomic Theory Of Matter Flashcards
An english chemist and meteorologist, he proposed the atomic theory if matter
Jhon dalton
Who first proposed that matter is composed of tiny particle that cannot be divided
Decocritus
What does “atomos” mean
Uncuttable
Who discovered electrons and proved electrons have a negative charge
Joseph jhon thomson (J.J thomsom)
What did j.j thomson name the proposed model of the atom
Plum pudding model
He designed an experiment to study how alpha particles with +2 charge interact
Ernest ruthford
Describes the atom as consisting of a dense positive center called the nucleus
Nuclear model
He expanded the knowledge about atomic structure
Niels Bohr
When electrons in an atom are in there lowest possible energy level
Ground state
A positively charged hydrogen ion
Cation
A negatively charged hydrogen ion
Anion
Good luck guys
