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Chapter 1 Chemistry

Elements, Equipment, Define terms

QuestionAnswer
Matter Anything that has mass and takes up space
Chemistry Study of composition of matter and the changes matter undergoes
Organic chemistry The study of all chemicals containing carbon
Inorganic chemistry Does not contain carbon
Biochemistry The processes that takes place in living organisms
Analytical chemistry The composition of matter
Physical chemistry Regarding energy matter in the properties and their relationships
Pure chemistry Knowledge for its own sake may not be practical or usually right away
Applied chemistry Research directed toward word practical goal
Scientific method Logical systematic approach to solving a scientific problem
Hypothesis A proposed explanation for an observation
Theory Well tested explanation for a broad set of observation what goes up must come down
Experiment Factors that have variables that can change and its used to test a hypothesis
Manipulative (independent) variable Variable that you can change
Responding ( independent) variable Variables that you cannot change
Scientific law Statement that summarizes results of any observation and experiments
Who is the guy science person who changed chemistry from being science observation to science of measurement? Lavoisier
How does a manipulated variable and a responding variable different? Manipulative variable is what you can change but responding is what you observed which cannot change
You perform an experiment and get unexpected results according to the scientific method what should you do next? Restate your hypothesis and do another experiment
What elements in family 1 have an oxidation +1 Hydrogen (H) Lithium (Li) Sodium (Na) Potassium (K) Rubidium (Rb) Cesium (Cs) Francium (Fr)
What elements in family 2 have an oxidation + 2 Beryllium (Be) Magnesium (Mg) Calcium (Ca) Strontium (Sr) Barium (Ba) Radium (Ra)
Erlenmeyer Flask It is taller than the beaker and it has a small mouth opening
Test tube rack Looks like a stand with 6 holes for the tube
Funnel Cylinder on top and thin at the bottom
Beaker Cylinder glassware that holds bigger liquids
Bunsen Burner it has gas going through the black rubber tube and can be twisted for more air
Test Tube Holder Has an X between two closed ends and holds test tubes
Graduated Cylinder Holds liquids to measure
Tongs Holds things that hands can't touch
Scoopula Used to scoop up small amounts of chemicals
Tweezer Used for holding materials that may be hot or to pick something up with
Test Tube Brush Used to clean insides of test tubes
Created by: Maya Clark
Popular Chemistry sets

 

 



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