Term
| ___________ chemicals exist |
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Definition
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Term
| Monoatomic ions are ions from __________ that has gained/lost electrons. Polyatomic ions are formed from ____________ that collectively have a charge |
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Definition
a single atom,
a group of atoms |
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Term
Cations= (charge, formed from)
Anions= (charge, formed from) |
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Definition
Positive ions, tend to be formed from metals losing electrons
Negative ions, tend to be formed from nonmetals gaining electrons |
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Term
| Monoatomic ions on the periodic table will have a charge ranging from _____ to ______ |
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Definition
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Term
| A multivalent is a ions that has ____________ |
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Definition
| more than one valent or charge |
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Term
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Definition
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Term
| Which elements use roman numerals? (type of metals, and 3 elements) |
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Definition
| Transition metals, tin, lead, and bismuth |
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Term
| What are some exceptions to roman numerals? (4 elements...) |
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Definition
| Silver, Zinc, Scandium, Cadmium |
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Term
| Non-oxygen containing acids will have the prefix ____ and the ending of -____. |
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Definition
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Term
| Democritus is an important scientist because... |
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Definition
| he reasoned that atoms were indivisible and indistructable |
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Term
| Lavoisier is an important scientist because... |
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Definition
| Created the law of conservation of matter |
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Term
| Dalton is an important scientist because... |
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Definition
| Created the atomic theory and the theory of evolution |
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Term
| Thompson is an important scientist because... |
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Definition
| He created the electron (plum pudding model)... |
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Term
| Rutherford is an important scientist because... |
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Definition
| Discovered the nucleus (god foil experiment)... |
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Term
| Bohr is an important scientist because... |
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Definition
| created the first accurate model of the atom... |
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Term
| Goldstein is an important scientist because... |
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Definition
| Discovered protons (cathode ray) |
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Term
| Chadwick is an important scientist because... |
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Definition
| he confirmed the existence of the neutron |
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Term
| What are the four main points of Dalton's atomic theory? |
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Definition
1. All elements are composed of atoms
2. Atoms of the same element are identical
3. Atoms of different elements can physically mix together into whole-number ratios
4. Chemical reactions occur when atoms are separated and joined/rearranged in a different combination |
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Term
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Definition
| Atoms of the same element that have the same atomic # but different atomic mass due to the difference in # of neutrons |
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Term
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Definition
| The weighted average mass of an element in a naturally occurring sample |
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Term
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Definition
| The # of protons and neutrons in the nucleus |
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Term
| What is the atomic number? |
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Definition
| The # of protons in the nucleus |
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