chapter 3 & 4
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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| ____ quantitative relationships between substances involved in chemical changes. | Stoichiometry
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| What are symbolic representations which specify the elements present in a compound as well as the relative numbers of atoms of each element present? | Chemical formulas
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| What is the smallest particles of a compound which possess a unique set of properties and are capable of independent existence? | Molecules
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| ____ tells how many of each type of atom are found in an actual molecule of that substance. | Molecular Formula
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| ____ shows only the simplest ratio of atoms in a compound | Empirical Formula
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| ____ shows the simplest ratio of atoms in a molecule | Formula Unit
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| OH | Hydroxide
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| CO3 | Carbonate
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| NO3 | Nitrate
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| ____ is the sum of the atomic masses, in atomic mass units (u), of all the atoms in the formula of the compound. | Molecular Mass
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| ____ is the number of atoms in exactly 12g of carbon-12. | Avogadro's Number
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| A ____ is the amount of a substance containing the same number of particles as exactly 12g of carbon-12. | Mole
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| ____ is the mass in grams of one mole of that substance. | Molar Mass
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| A ____ is a symbolic representation of a chemical reaction. | Chemical Equation
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| ____ is the symbols of the substances that react are written on the left | reactants
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| ____ The symbols of the substances produced; are written on the right. | Product
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| Who stated: "Atoms are not created or destroyed in chemical reactions, only rearranged." | Dalton
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| ____ is the sum of the masses of the products is always epual to the sum of the masses of the reactants. | Law of conservation of mass
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| AB --> A+B | Decomposition reaction
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| A+B--> AB | Combination reaction
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| A+BC--> AC+B | Single displacement reaction
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| AC+BD--> AD+BC | Double displacement reaction
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| ____ the reactant that determines the amount of product that can be formed. | Limiting reactant
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| ____ a chemical equation which shows only those ions that react and ignores ions which do not react. | Net ionic equation
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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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