Exam (elaborations)
Atom Scientist Questions and Answers 2024
- Course
- Institution
Exam of 2 pages for the course Atom at Atom (Atom Scientist)
[Show more]
Content preview
Atom ScientistDalton - answer a. matter = tiny spheres called atoms
b. matter = only one type of atom
Thomson - answer Discovers the electron. Made the Plum Pudding Model.
Rutherford - answer a) Gold Foil Experiment.
b) Discovered the nucleus
c) Atom mainly empty space.
Bohr - answer1) Todays Planetary Model.
(Protons and neutrons in the nuclus, electrons revolving around)
Chadwick - answerDiscovered the neutron.
What discoveries are each of the people famous for? - answer Democritus: naming the
atom as identical indivisable units. Aristotle: didn't believe you could ever stop dividing.
Dalton: performed experiments to prove atom existed. Thompson: discovered smaller
particles inside atom (electrons). Rutherford: revised model to include nucleus. Bohr:
electrons orbit nucleus. Schrodinger: electrons orbit in clouds. Chadwick: discovered
neutrons.
What discovery demonstrated that atoms are not the smallest particles? - answerJ.J.
Thomson discovery of electrons inside atoms.
In what part of the atom is most of the mass located? - answernucleus
What are the two differences between the atomic theory described by Thomson and
that described by Rutherford. - answerThomson's theory included the atoms having
electrons, while Rutherford's said that atoms have a nucleus and electrons orbit the
nucleus. the two differences are where the electrons ARE and nucleus or no-nucleus.
Identify the difference in how Bohr's theory and the modern theory describe the location
of electrons. - answerthe difference is that Bohr's theory was that electrons orbited in
definite circular paths, while the modern theory says that electrons orbit in clouds.
What does the current model of the atom look like? - answerthe current model of an
atom has a nucleus in the center, and many electron clouds orbiting around it.
All elements are composed of atoms that cannot be divided - answer(John Dalton)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62555 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now