Exam (elaborations)
Structure of the ATOM Questions and Answers 2024
- Course
- Institution
Structure of the ATOM
[Show more]
Seller
Follow
julianah420
Reviews received
Content preview
Structure of the ATOMNucleus of an atom - answer center of an atom
has a positive charge
contains protons and neutrons
Why does an atom's NUCLEUS have a POSITIVE CHARGE? - answer The PROTONS
have a POSITIVE CHARGE (+) while the NEUTRONS have a NEUTRAL CHARGE (no
charge)
Protons - answer Subatomic particle located in the nucleus of an atom
Positive (+) charge
What is unique for each element? - answer The number of protons
Neutrons - answer Subatomic particle located in the nucleus of an atom
Neutral or No charge
What is the job of a neutron? - answer The neutrons hold the nucleus together
(because...protons with their positive charge push each other away) so the neutrons
hold the nucleus together (with a strong force).
The neutrons keep the atom STABLE
3 protons are ripped out of a Lead (Pb; atomic number 82) atom. What have you done?
- answer The nucleus now has 79 protons.
The number of protons is unique to each element. The element is GOLD (Au; atomic
number 79)
Electrons - answer Subatomic particle located in orbitals (the electron cloud)
surrounding the nucleus.
Negative (-) charge
Bohr Model - answer A model resembling planets revolving around the sun, useful in
visualizing the structure of atoms
Electron cloud - answer A region around the nucleus of an atom where electrons are
likely to be found
How does the diameter of the electron cloud compare to the diameter of the nucleus? -
answer The electron cloud is ~100,000 BIGGER across than the nucleus.
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 CA$19.33. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now