IB Biology – Water Final Exam Study Guide.
A chemical bond is formed through - CORRECT ANSWER gaining, losing, or sharing electrons
Ion - CORRECT ANSWER A charged atom which gained or lost electrons
ionic bond - CORRECT ANSWER A chemical bond resulting from the attraction between oppos...
A chemical bond is formed through - CORRECT ANSWER gaining, losing, or sharing electrons
Ion - CORRECT ANSWER A charged atom which gained or lost electrons
ionic bond - CORRECT ANSWER A chemical bond resulting from the attraction between oppositely
charged ions.
covalent bond - CORRECT ANSWER A chemical bond formed when two or more atoms share electrons
non-polar molecule - CORRECT ANSWER molecule that shares electrons equally and does not have
oppositely charged ends
polar molecule - CORRECT ANSWER a molecule in which one side of the molecule is slightly negative and
the opposite side is slightly positive
Oxygen atom - CORRECT ANSWER atomic number - 8 - protons and electrons
mass number - 16
neutrons - 16-8 = 8
Water is important because - CORRECT ANSWER • It allows chemical reactions to occur inside living
organisms
• Ice floats
• Requires a lot of heat to melt (hydrogen bonds)
• Surface tension/cohesion
- most organisms have high water content
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 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 Nursewendo. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.38. You're not tied to anything after your purchase.
