Chemistry Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Proton - mass, charge, location | Mass= 1 amu
Charge= positive
Location= nucleus
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| Neutron - mass, charge, location | Mass= 1 amu
Charge= 0
Location= nucleus
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| Electron- mass, charge, location | Mass= 0 amu
Charge= negative
Location= orbitals around the nucleus
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| Atomic Number | Number on top of most periodic tables; number of protons in an atom
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| Mass Number | Protons + Neutrons
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| Isotope | Atom of the same element with different masses; atoms with the same number of protons but different number of neutrons
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| In electron configuration of 5d4 what does each of the three values tell you? | 5= energy level
d=block
4=location in block; number of electrons
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| Valence Electrons | electrons in the outermost shell; maximum number is 8
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| Maximum number of valence electrons an atom can have | 8
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| Lewis dot diagram | diagram to represent the number of valence electrons
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| Ion | charged atom
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| two particles that determine the charge of an ion | protons and electrons
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| anion | negatively charged ion
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| cation | positively charged ion
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| neutral atom | same number of protons and electrons
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| oxidation number | charge of an atom; determined by the family/column on the periodic table
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| the roman numeral in a transition metal | charge of the cation
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| Synthesis | A + B- → AB
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| Decomposition | AB → A + B
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| Single Replacement | AB + C → CB- + A
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| Double Replacement | AB + CD → AD + CB
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| Combustion | produces CO2 + H2O; creates fire
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| Mole | unit to count objects
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| Alpha decay | emits a helium atom; mass decreases by 4; protons decrease by 2
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| Beta decay | emits an electron; mass stays the same; protons increase by 1
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| Gamma decay | emits a gamma ray; mass stays the same; protons stay the same
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| Fission | when a nucleus splits
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| Fusion | where two nuclei combine
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| Electricity | flow of electrons
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| Static electricity | electric charge that has accumulated in an object
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
shammer32
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