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Stack #1133840

Chemistry

QuestionAnswer
What is matter? Anything that has a mass and takes up space
6 divisions of chemistry? 1. organic 2. inorganic 3. physical 4. analytical 5. biochemistry 6. theoretical
What is organic chemistry? Study of most carbon-containing compounds.
What is inorganic chemistry? Study of non organic substances many of which have organic fragments bonded to metals.
What is physical chemistry? Study of properties and changes of matter and their relation to chemistry
What is analytical chemistry? The identification of the components and composition of materials.
What is biochemistry? Study of substances and processes occurring in living things.
Phases of matter? Solid, liquid, gas and plasma
What is a compound? Pure substance that can be broken down chemically.
What is a mixture? Blend of 2 or more kinds of matter, each of which retains its own identity and properties
What is a chemical change? A change in which one or more substances are continued into different substances. EX: carbon + oxygen = carbon dioxide
What is a physical change? A change in a substance that doesn't involve a change in the identity of the substance. EX: melting a material
Properties of metals? S and D blocks, Alkali metals can form +1 ions
Properties of nonmetals? Most reactive non-metals are highest
Properties of noble gasses? Non-reactive
What are intensive properties? Don't depend on the amount of matter present EX: melting point, boiling point, density, ability to conduct and transfer energy as heat.
What are extensive properties? Depends on the amount of matter present EX: mass, volume, and the amount of energy in a substance
Accuracy: How close to the goal you reach.
Precision: How close together your attempts are.
Scientific notation: 13,400 Move . to the left 4 places. Equals 1.34x10^4
Scientific notation: 9,675,100 Move . to the left 6 places. Equals 9.6751x10^6
Created by: 1460477063