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Chemisty

Test study

QuestionAnswer
Definition of matter? Substances that have mass and occupy volume, and makes up all things that exist.
Four states of matter? o Solids o Liquids o Gases o Plasma
Sublimation? From solid to gas directly.
Deposition? From gas to solid directly.
Definition of Heterogeneous Mixture? Substances in mixture easily separated. Ex. Sand
Definition of Homogeneous Mixture? Substances in mixture not easily separated. Ex. epoxy glue, bronze (alloy of copper and tin)
Compound? Joining of one ore more elements. Ex. H20
Molecules? Smallest, discrete units that retain the chemical characteristics of the compound.
Elements? Cannot be broken down any further by chemical means. Have 1 type of proton and 1 type of electron.
Equation for density? d=m/v; where m is mass and v is volume.
Convert Celsius to F. F=9/5C + 32
Convert F to celsius. C = (F - 32)5/9
Atoms Have, normally, the same number of protons and neutrons.
Binary Ionic Compounds? Has two elements, one metal and one non metal. Ex. NaCl
Ternary Ionic Compounds? Has three elements. At least 1 non metal and 1 metal and 1 other. Ex. KNO3
Binary Molecular? Has 2 elements. Both non metals. Ex. H2O
Binary Acid? Aqueous (compound that is dissolved in water) solution of a compound containing hydrogen and one other non-metal. Ex. HCl
Ternary Oxyacid? Aqueous solution of a compound that contains hydrogen, oxygen, and a non-metal. Ex. H2SO4
Name 5 classes of inorganic compounds. Binary Ionic, Ternary Ionic, Binary Molecular, Binary Acid, and Ternary Oxyacid.
Organic coumpound? Its longest chain is made of carbon atoms. Methane is exception CH4.
Isotopes of elements? Protons and electrons are the same but it has different number of neutrons.
diatomic molecules? Hydrogen, nitrogen, and oxygen.
Created by: Kilitan
 

 



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