Chemistry Crossword

2. the basic unit of a chemical element.
3. a substance formed when two or more chemical elements are chemically bonded together.
6. the amount or sample of a chemical substance that contains as many constitutive particles.
7. the property of having poles or being polar.
12. a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.
13. mass/volume
14. a combination of two or more pure substances in which each pure substance retains its individual chemical properties.
15. a substance that cannot be broken down into simpler substances by chemical means.
17. involves a reaction between any combustible material and an oxidizer to form an oxidized product.
19. a substance that takes part in and undergoes change during a reaction.

1. a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.
4. a type of reaction in which multiple reactants combine to form a single product.
5. a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms.
8. the table of elements is called the ____ ____.
9. a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
10. _____ is made out of atoms.
11. a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
16. a type of reaction in which multiple reactants combine to form a single product.
18. the science that deals with the composition and properties of substances and various elementary forms of matter.
20. a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.