Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
|
Odour |
The "smell" given off by an object |
|
|
State |
The condition of being solid, liquid or gas |
|
|
Viscosity |
The resistance of a liquid to flowing |
|
|
Hardness |
The resistance to being stretched |
|
|
Malleability |
The ability of an object to be hammered in to thin sheets |
|
|
Ductility |
The ability to be stretched into a wire |
|
|
Conductivity |
The ability of a substance to conduct elecrticity |
|
|
Lustre |
How "shiny" or "dull" an object is |
|
|
Texture |
The "feel " of a substance to the fingers |
|
|
Clarity |
The ability of light to pass through an object |
|
|
Solubility |
How well a substance dissolves in water |
|
|
Chemical changes (signs) |
Not easily reversed New products Reactants used up Heat/light/energy/fizzing occurs electricity may be produced a precipitate may form |
|
|
Physical changes (signs) |
Easily reversible No new products often just a change in state |
|
|
Synthesis Reaction |
Joining atoms/elements to make molecules/compounds |
|
|
Decomposition Reaction |
Breaking apart a molecule/compound into atoms/elements |
|
|
Single Displacement |
When an element reacts with a compound One element may replace another element to form a new compound |
|
|
Double Displacement |
Elements in different compounds replace eachother |
|
|
Ionic Compound |
A bond between a metal and a non-metal Transfer Electrons |
|
|
Molecular Compound |
A bond between two non-metals Share Electrons |
|
|
Polyatomic Ion |
A group of atoms that behave as if they were one atom |
|
|
How to balance chemical equations |
because of the law of conservation of matter, all chemical equations have the same number of products as reactants. To balance an equation, write appropriate co-efficient to the number of atoms till there are equal amounts on both sides |
|
|
Acid properties |
No ions present Water soluble Reacts with metals to produce hydrogen and carbonates okay conductor sour pH 0-7 Hydrogen Burning sensation |
|
|
Bases Properties |
Made of ions Water Soluble Good Conductor Bitter Slippery pH 7-14 Hydroxide |
|
|
pH of normal and acid rain |
5.0-5.5 and anything below is acid |
|
|
nomenclature |
Criss-cross method and Roman numerals |
|
|
Bohr-Rutherford and Lewis Dot Diagrams |
2-8-8 and inside the first circle the element name and # of protons and neutrons Only Valence electrons |
|
|
Neutralization Reaction |
Acid + Base = Water + Salt |
|
|
Combustion |
is a reaction in which oxygen reactswith another element or compound(generally a hydrocarbon) to produceenergy in the form of heat and light. |
|
|
Blue litmus paper |
Acid turn red Bases stay blue |
|
|
Red litmus paper |
Acid stays red Bases Turn blue |
|
|
bromothymol Blue |
Acid turn yellow bases turn yello |
|
|
Phenolphthalein |
Acid stay clear Bases turn pink |
