Hypothesis
a testable educated guess
Experiment
how we test hypotheses
Variable
Idea to be tested (only one)
Control
Something the variable is tested against
Experimental protocol
How do you do the test?
Data generated comparing variable to controls. Includes statistics to show results are meaningful
Conclusion
Interpretation of results
independent variable
The experimental factor that is manipulated; the variable whose effect is being studied.
dependent variable
The variable that depends on the independent variable
Protons
Positively charged particles
, Neutrons
the particles of the nucleus that have no charge
Electrons
Negatively charged particles
Isotopes
same atomic #
different mass #
Ions
The number of electrons is either greater than, or less than, the number of protons
atomic mass
Number of protons and neutrons
Neutrons equal
mass number - atomic number
Electrons equal
Atomic Number - Charge
Protons equal
Atomic number
Ionic bond
The transfer of electrons from non-metal to metal
polar covalent bond
A covalent bond in which electrons are not shared equally
H2O
C2H6O-Ethanol
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 MikeHarris. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
