Chemistry vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Mole Ratio | The ratio of moles of a substance to the moles of another substance in a balanced equation using the coefficients
🗑
|
||||
| Stoichiometry | The relationship between the quantities of substances taking part in a reaction
🗑
|
||||
| Limiting Reactent | The reactant in a chemical equation that is present in the lesser amount, and is completely used up
🗑
|
||||
| Excess Reactant | The reactant that is left over
🗑
|
||||
| Theoretical Yield | The amount of product predicted from the amounts of reactants used
🗑
|
||||
| Actual Yield | The actual amount of product produced from the amounts of reactants used
🗑
|
||||
| % Yield | The actual yield of product divided by the theoretical yield multiplied by 100
🗑
|
||||
| Photons | Wave packets of energy
🗑
|
||||
| Electromagnetic Radiation | When energy is transmitted from one place to another by light
🗑
|
||||
| Wavelength | Distance between wavecrests
🗑
|
||||
| Frequency | Number of waves passing by a given point per second
🗑
|
||||
| Ground State | Lowest energy level for electrons
🗑
|
||||
| Excited State | Electrons have absorbed energy
🗑
|
||||
| Electron Orbitals | Region of space around the nucleus of an atom within which there is a 90% probability of finding an electron
🗑
|
||||
| Principal Energy Level | The energy level denoted by n, each containing a different number of sublevels
🗑
|
||||
| Quantized | Only certain values are allowed in specific energy levels
🗑
|
||||
| Bohr Model of the Atom | Electrons orbit the nucleus at set distances
🗑
|
||||
| Wavelength Mechanical Model of the Atom | Electrons exist in atoms and determine the chemical and physical properties of elements
🗑
|
||||
| Electron Configuration | A way to display the location of all electrons in an element
🗑
|
||||
| Core Electrons | Electrons in the inner energy levels
🗑
|
||||
| Valence Electrons | Electrons in outer sublevel
🗑
|
||||
| Noble Gas Configuration | Shortcut for electron configuration
🗑
|
||||
| Ionization energy | The amount of energy required to remove an electron from a gaseous atom or ion
🗑
|
||||
| Atomic Size | Atoms get bigger as you go down a group, and smaller from left to right
🗑
|
||||
| Bond | The force that holds two or more atoms together and makes them function as a unit
🗑
|
||||
| Bond Energy | The energy required to break a chemical bond
🗑
|
||||
| Ionic Bonding | The attraction between oppositely charged ions
🗑
|
||||
| Ionic Compound | A compound that results when a metal reacts with a nonmetal to form cations and anions
🗑
|
||||
| Covalent Bonding | A type of bonding in which atoms share electrons equally
🗑
|
||||
| Polar Covalent Bond | A covalent bond in which the electrons are not shared equally because one atom attracts the shared electrons more than the other
🗑
|
||||
| Electronegativity | The tendency of an atom in a molecule to attract shared electrons to itself
🗑
|
||||
| Dipole Moment | A property of a molecule in which the charge distribution can be represented by a center of positive charger and a center of negative charge
🗑
|
||||
| Lewis Structure | A representation of a molecule or polyatomic ion showing how valence electrons are arranged among the atoms in the molecule
🗑
|
||||
| Resonance | A condition occuring when more than one valid Lewis Structure can be written for a particular molecule
🗑
|
||||
| Bent or V-Shape Structure | Two bonds and two unshared pairs on central atom
🗑
|
||||
| Linear Structure | Two double bonds on central atom
🗑
|
||||
| Trigonal Planar Structure | One double bond and two single bonds on a central atom
🗑
|
||||
| Trigonal Pyramid Structure | Three single bonds and an unshared pair on a central atom
🗑
|
||||
| Tetrahedral Structure | Four single bonds on a central atom
🗑
|
||||
| Valence Shell Electron Pair Repulsion Model | Model used to predict molecular geometry
🗑
|
||||
| Solution | Homogeneous mixture that doesn't settle
🗑
|
||||
| Alloy | Solid mixed with another solid
🗑
|
||||
| Aqueous Solution | Liquid solution in which water is the main component
🗑
|
||||
| Solvent | Component present in the largest amount
🗑
|
||||
| Solute | Component present in the lesser amount
🗑
|
||||
| Soaps and Detergents | Molecules with both polar and non-polar parts that can dissolve in both polar and non-polar solvents
🗑
|
||||
| Dilute | Relatively small amount of solute in mixture
🗑
|
||||
| Concentrated | Relatively large amount of solute
🗑
|
||||
| Unsaturated | Less than maximum amount of solute
🗑
|
||||
| Saturated | Maximum amount of solute is dissolved in solution
🗑
|
||||
| Supersaturated | More than maximum amount of solute is dissolved in solution
🗑
|
||||
| Solubility | Maximum number of grams of solute per 100 mL of water and a given temperature
🗑
|
||||
| Molarity | Concentration of solution (# of moles/volume
🗑
|
||||
| Standard Solution | A solution in which the concentration is accurately known
🗑
|
||||
| Dilution | The process of adding solvent to a solution to lower the concentration of solute (m1v1=m2v2)
🗑
|
||||
| Stock Solution | Beginning concentrated solution
🗑
|
||||
| Arrhenius Acid | Produces H+ in solution
🗑
|
||||
| Arrhenius Base | Produces OH+ in solution
🗑
|
||||
| Equivalent of an Acid | The amount of acid that can furnish one mole of hydrogen ions
🗑
|
||||
| Equivalent Weight | The mass of one equivalent of an acid or base
🗑
|
||||
| Normality | Number of equivalents per 1 L of solution
🗑
|
||||
| Colligative Property | Depends only on the number of solute particles present in the solution
🗑
|
||||
| Freezing Point Depression | Adding more solute to a solution will lower the freezing point of the solution
🗑
|
||||
| Boiling Point Elevation | Adding more solute to a solution will increase the boiling point of the solution
🗑
|
||||
| Bronsted-Lowery Acid | Proton Donor H+
🗑
|
||||
| Bronsted-Lowery Base | Proton Accepter
🗑
|
||||
| Hydronium Ion | H3O+ ion formed when an acid is added to water
🗑
|
||||
| Conjugate Acid | Substance formed when a proton is added to a base
🗑
|
||||
| Conjugate Base | Remaining substance when a proton is lost from an acid
🗑
|
||||
| Conjugate Acid-Base Pair | Two substances related to each other by the donating and accepting of a single proton
🗑
|
||||
| Oxyacid | An acid in which the acidic hydrogen is attached to an oxygen atom
🗑
|
||||
| Organic Acid | Acid with a carbon atom backbone
🗑
|
||||
| Amphoteric | A substance that can act as both an acid and a base (water)
🗑
|
||||
| pH | Scale used to specify the acidity or basicity of an aqueous solution
🗑
|
||||
| Indicators | Chemicals that change color depending on the pH of a solution in which they are placed
🗑
|
||||
| Titration | A technique in which a solution of known concentration is used to determine the concentration of another solution
🗑
|
||||
| Standard Solution | A solution in which the concentration is known
🗑
|
||||
| Equivalence Point | The point in a titration when enough titrant has been added to react exactly with the substance in solution that is being titrated
🗑
|
||||
| Buffered Solution | A solution that resists a change in pH when either an acid or a base is added
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
emmakolden
Popular Chemistry sets