Flashcards
Definitions and things to remember
Cards in this deck (16)
- 1DiffusionThe spreading of one substance through another
- 2Factors that affect diffusion-Mass of molecule
-Temperature - 3ElementA single pure substance made up of only 1 type of atom
- 4CompoundA compound is made up of 2 or more elements chemically bonded together
- 5MixtureA mixture contains 2 or more substances. These substances are chemically bonded.
Substance= Element or compound - 6SublimationSolid goes to a gas
- 7condensationGas to a liquid
- 8evaporationLiquid to a gas
- 9Mass NumberNumber of protons + number of neutrons
- 10Atomic NumberNumber of protons
-also number of electrons in an atom - 11Group numberNumber of group and number of of outer shell electrons
- 12Period numberthe rows
also number of shells - 13These elements exist as pairs of atoms joined together (Happy Nelly Offers Ill Francis Clean Broomsticks)Hydrogen
Nitrogen
Oxygen
Fluoride
Chlorine
Bromine
Iodine - 14Method of Ram(% of atom 1 x mass number of atom 1) + (% of atom 2 x mass number of atom 2)
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100 - 15RamThe average mass of an atom compared to one twelfth of the mass of a carbon -12 atom
- 16IsotopesIsotopes are atoms of the same element with the same number of protons but a different number of neutrons.
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- Chemistry Flashcards on Definitions and things to remember, created by soprimeval on 13/05/2014.
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- soprimeval
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