subject
Chemistry, 21.08.2019 10:30 Jordan0423

The atomic theory has been revised many times over the last several hundred years. john dalton described the atom as a solid sphere while later scientists such as j. j. thomson and ernest rutherford developed different models of the atom.
why has the atomic theory changed so much over the last several centuries?
a new scientific method scientists form more efficient theories and models.
as new discoveries are made, existing theories are revised or replaced.
the atom has changed over time, and new theories must reflect those changes.
scientists with different opinions

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 18:40
What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water
Answers: 1
question
Chemistry, 22.06.2019 09:30
What is the molar mass of potassium nitrate, kno3
Answers: 1
question
Chemistry, 22.06.2019 10:00
Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this
Answers: 3
question
Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
You know the right answer?
The atomic theory has been revised many times over the last several hundred years. john dalton descr...
Questions
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
French, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Social Studies, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Spanish, 17.09.2020 14:01
question
Spanish, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Social Studies, 17.09.2020 14:01
question
Physics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01
question
Mathematics, 17.09.2020 14:01