Chemistry Crossword

3. 6.02x10^23.
4. A substance made by mixing other substances together.
5. ___ is made out of atoms.
6. This is the relationship between the relative quantities of substances taking part in a reaction or forming a compound, usually a ratio of whole integers.
8. Diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
10. The distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.
11. This type of compound forms when a nonmetal and metal exchange electrons.
13. This type of compound forms when a nonmetal and another nonmetal exchange electrons.
18. Variants of a particular chemical element which differ in neutron number.
19. A type of chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.
20. A physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance.

1. mass/volume.
2. A formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
7. The energy required to remove one mole of the most loosely held electrons from one mole of gaseous atoms to produce 1 mole of gaseous ions each with a charge of 1+.
9. A formula that measures the electrical forces between two objects.
12. The property of being polar.
14. The table of elements is called ___ ___.
15. The scientific discipline involved with compounds composed of atoms.
16. A species of atoms having the same number of protons in their atomic nuclei.
17. A band of colors, produced by separation of the components of light by their different degrees of refraction according to wavelength.
21. Basic unit of a chemical element.