History of the atom Flashcards
1
Q
What did John dalton say about atoms?
A
Described atoms as solid spheres
2
Q
What did JJ Thompson say?
A
came up with plum pudding model
3
Q
What is the plum pudding?
A
atom is a ball of positive charged with electrons embedded in it
4
Q
What did Ernest Rutherford suggest?
A
He did the aloha scattering experiment and discovered the nucleus and protons
5
Q
Who discovered that electrons orbit the nucleus?
A
Niels bohr
6
Q
Who discovered neutrons?
A
James Chadwick
7
Q
What is atom economy equation?
A
(relative formula mass of products/ relative formulae mass of all reactants ) x100
8
Q
What atom economy is better for profits and the environment?
A
High
9
Q
What is the percentage yield equation?
A
(mass of products actually made/ max theoretical mass of products) x100
