Exam (elaborations)
CHEM 101-Straighterline Exam 1 Questions and Answers 2024
- Course
- Institution
CHEM 101-Straighterline Exam 1
[Show more]
Content preview
CHEM 101-Straighterline Exam 1A substance in which the atoms or molecules are free to move relative to one another. It
always assumes the shape and volume of its container. - answergas
A substance in which the atoms or molecules pack closer than a gas, but are still able to
freely move relative to one another. It exhibits a fixed volume, but not a fixed shape. -
answerliquid
A substance in which the atoms or molecules are fixed at a specific position. It exhibits
a fixed volume and rigid shape. - answersolid
A solid that has atoms and molecules in a repeatable pattern. - answercrystalline solid
A solid whose atoms or molecules are not arranged in a specific pattern. -
answeramorphous solid
A substance does not vary its composition within the substance nor between samples of
the same substance. - answerpure substance
A physical combination of substances in which each substance keeps its own physical
and chemical properties. - answermixture
A physical combination of substances of non-uniform composition. -
answerheterogeneous mixture
A physical combination of substances of uniform composition. - answerhomogeneous
mixture
A pure substance that cannot be broken into component parts. Examples include
helium, nitrogen, and oxygen. - answerelement
A pure substance made up of two or more elements. - answercompound
A quantitative observation. - answermeasurement
Any division of a quantity that may be used in a measurement. - answerunit
The SI unit for length. - answermeter
The SI unit for time. - answersecond
, The SI unit for mass. - answerkilogram
The standard unit of measurement used to count atoms. - answermole
A unit system abbreviated as SI that is used by scientists. - answerInternational System
of Units
A unit system of measurement used throughout the world. - answermetric system
A unit system of measurement mainly used in the United States. - answerenglish
system
Changes the SI unit by a power of 10. - answerprefix multiplier
An English temperature unit system used mainly in the United States. -
answerfahrenheit
A combination of SI units. - answerderived units
A metric temperature unit system used throughout the world. - answercelsius
A derived unit defined as mass/volume. - answerdensity
A property that does not depend on the amount of a substance. - answerintensive
property
A property that depends on the amount of a substance. - answerextensive property
A measurement that is repeatable in an experimental setup, within an acceptable range
of error. - answerreliable measurements
How close a series of measurements are to each other. - answerprecision
How close a series of measurements are to the actual value. - answeraccuracy
A non-place-holding digit in any numerical measurement. - answersignificant digit
Rounding numerical data to the nearest power of 10 for rapid estimated calculations. -
answerorder-of-magnitude estimation
The force that holds atoms together in molecules and materials. - answerchemical bond
A bond between two or more atoms in which the electrons are shared. - answercovalent
bond
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 $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79271 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now