Term
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Definition
1. All elements are composed of atoms and all atoms of an element are identical (had to be revised due to isotopes)
2. In a chemical reaction atoms are not changed into diferent types of atoms (nuclear reactions can change the composition of an atom (changes protons))
3. Compounds are formed when atoms of elements combine |
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| Law of Multiple Proportions |
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Definition
| The ratios of masses will always be whole numbers |
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Definition
| the sponataneous disintegration of an unstable atomic nucleus (determined by the ratio of pro/nue (less or more than 1-1.15 is unstable)) |
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Definition
| (Radioactivity) When one nucleus breaks down |
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Definition
| 2 nuclei bonded together to form a larger atom |
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Definition
| Number of protons added to the number of nuetrons |
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Definition
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Term
| How to calculate average atomic mass |
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Definition
(do for each isotope, then add products)
% of abundance * weight in amu |
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Term
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Definition
maleable, shiny, ductile, conductive
Left side periodic table
lose electrons (+) |
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Term
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Definition
non maleable, not shiny, not ductile, not conductive.
right side of periodic table
gain electrons (-) |
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Term
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Definition
| lowest who number ratio of atoms |
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Term
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Definition
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Term
| Charge of transition elements |
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Definition
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Term
| naming Covalent (or molecular) compounds |
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Definition
(2 nonmetals or 1 nonmetal+1metaloid)
add -ide ending to second substance
add greek prefix to both substances
if first one is mono, drop prefix |
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Term
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Definition
mono
di
tri
tetra
penta
hexa
octa
nona
deca |
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Term
| Elements with more than one charge |
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Definition
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Definition
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Definition
[image]
ignore the B-; Ms. Kovach has decided to. |
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