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Chem 2045 test 1
Question | Answer |
---|---|
Weight | Effect of gravity on mass |
Physical prop | Determined without altering identity |
Chemical Prop | Determined only by altering identity |
Atomic number | #of protons in nucleus |
Element | cant be broken down by physical or chemical changes |
Avogadros number | 6.022x1023 |
Liquid | definite volume no definite shape |
solid | has definite shape and volume |
compound | can be broken down by chemical but not physical changes |
gas | Has neither definite volume or shape |
Spectator ions | only "observes" the reaction |
Net Ionic form | "bare bones" reaction |
Strong acid | produces a 100% yield of H+ ions upon dissolution |
Non-electrolyte | Produces a 0% yield of ions |
Strong electrolyte | produces a 100% yield of ions upon dissolution |
Molecular WT | GFW of a covalent compound |
Ionization | Creation of ions upon dissolution |
Ionic WT | GFW of an ionic compound |
Allotrope | Different physical forms of an element |
Dissociation | Separation of ions upon dissolution |
KCL | Potassium chloride |
CuBr | Copper(I) Bromide |
SO2 | Sulfur Dioxide |
Hg2F2 | Mercury(I) Fluoride |
HCIO3 | Hydrochloric acid |
Nitrogen Pentoxide | N2O5 |
Nitrous Acid | HNO2 |
Barium Hydroxide | Ba(OH)2 |