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