Exam (elaborations)
Atoms and PTOE Quiz with complete solutions graded A+
- Course
- Institution
Atoms and PTOE Quiz with complete solutions graded A+
[Show more]
Seller
Follow
Sakayobako30
Reviews received
Content preview
Atoms and PTOE QuizAtom - correct answer ✔✔An atom is the smallest particle of an element, composed of protons,
neutrons, and electrons
Atoms are mostly empty space
Element Names and Symbols - correct answer ✔✔The name of an element usually has Latin/Greek roots
and the symbol is 1-3 letters long with the first letter always capitalized
Electron - correct answer ✔✔Negatively charged particle of an element
Orbits around nucleus
Weight is rounded to 0
Energy Levels/Shells - correct answer ✔✔The different routes electrons travel around nucleus (like track
around Parsons)
First energy level holds 2, the next two each hold 8, and the rest can be determined based on the
number of elements in each period.
For example, 5th energy level holds 18 electrons b/c it has 18 elements (Rubidium to Xenon)
Valence Energy Level - correct answer ✔✔The outermost energy level of an atom that has at least one
electron
(Hydrogen's valence level is the 1st one)
(Gold's valence level is the 6th one)
You can tell from what period it's in
Groups will tell you how many valence electrons there are
The last group's atoms have full valence levels
Proton - correct answer ✔✔Positively charged particles in an atom
located in 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 EFT, 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 this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Sakayobako30. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R181,47. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
85443 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now