Chemistry Review (Pt. 2)

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Across
  1. 3. A ________ is a substance that initiates or accelerates a chemical reaction without itself being affected
  2. 5. “_____" describes bonds that have an uneven distribution of charge
  3. 6. The ________ reactant is a reactant that is totally consumed during a chemical reaction, limits the extent of the reaction, and determines the amount of product
  4. 8. ___ ionic equations include only those compounds and ions that undergo a chemical change in a reaction in an aqueous solution
  5. 9. A chemical compound whose simplest units are molecules is a _________ compound
  6. 12. _____________ is the study of quantitative relationships between the amounts of reactants used and products formed by chemical reaction; is based on the law of conservation of mass
  7. 16. ____________ are whole numbers that appear in front of a formula in a chemical equation
  8. 17. A neutral group of atoms that are held together by covalent bonds is called a ________
  9. 18. ________ bonding is the result from the sharing of electron pairs between two atoms
  10. 19. ________ molecules only contain two atoms
  11. 20. A ______-replacement reaction is a chemical change in which one element replaces a second element in a compound
  12. 21. _____ mass is the mass in grams of 1 mol of a substance
  13. 23. _________ number is the number of particles in 1 mole of a pure substance
  14. 24. A ________ bond is a mutual electrical attraction between the nuclei and valance electrons of different atoms that binds the atoms together
Down
  1. 1. The list of elements organized according to the ease with which the elements undergo certain chemical reactions is called the ________ series
  2. 2. A ________ equation is a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
  3. 3. A chemical change in which two or more substances react to form a single new substance is considered a ___________ reaction
  4. 4. A single bond is a covalent bond produced by the _______ of one pair of electrons between two atoms
  5. 7. Chemical bonding that results from electrical attraction between large number of cations and anions is called _____ bonding
  6. 10. ___________ yield is the amount of product that could form during a reaction calculated from a balanced chemical equation; it represents the maximum amount of product that could be formed from a given amount of reactant
  7. 11. A _____________ reaction is the separation of a substance into two or more substances that may differ from each other and from the original substance
  8. 13. A combustion reaction is the _________ reaction of an organic compound, in which heat is released
  9. 14. The law of ____________ of mass states that mass is neither created nor destroyed during ordinary chemical reactions or physical changes.
  10. 15. A ________ equation is a chemical equation that does not indicate the relative amounts of the reactants and products
  11. 18. ________ ionic equation is an equation that shows dissolved ionic compounds as dissociated free ions
  12. 19. A ______-replacement reaction is a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound
  13. 20. The mole ratio is the ratio between the numbers of moles of any two of the __________ in a balanced chemical equation
  14. 22. The chemical _______ indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
  15. 23. The molecular formula shows the types and numbers of _____ combined in a single molecule of a molecular compound
  16. 25. ______ yield is the amount of product actually produced when the chemical reaction is carried out in an experiment