history of the atom

Question 1

what were Dalton’s key ideas

Answer 1

atoms are solid spheres which could not be broken down into anything simpler

Question 2

what were Thompsons key ideas

Answer 2

plum pudding. an atom is made up of positive and negative charge. spheres of positive charge with negative charge randomly distributed

Question 3

what were Rutherford’s key ideas

Answer 3

discovery of the nucleus. nucleus made o positive charge. Negative charge outside the nucleus

Question 4

what were bohr’s key ideas

Answer 4

electrons within orbitals with specific energy levels.

Question 5

what is an isotope

Answer 5

same number of protons bur different number of neutrons