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Chapter 10 - Moles

A.E. Tweed

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Across
2.an ion with a positive charge
6.a nonmetal in Group 7A of the periodic table
8.volume occupied by 1 mole of a gas at STP (2 Words)
10.metric mass unit equal to the mass of 1 cubic centimeters of water at 4 degrees celsius
12.an ion with a negative charge
14.smallest unit into which a substance can be broken down w/out a change in composition (2 Words)
16.a process used to separate dissolved solids from a liquid which is boiled to produce a vapor then condensed into a liquid
20.6.023 x 10^23 (10 to the 23rd power) (2 Words)
22.energy required to remove an electron from an atom in its gaseous state (2 Words)
23.base unit of length in the SI system
24.subatomic particle with a positive charge and a mass of 1 amu
Down
1.0 degrees celsius and 1 atmosphere (4 Words)
3.volume of a cube measuring 10 cm on each side
4.solid that forms and settles out of a liquid mixture
5.equal volumes of gases at the same temperature and pressure contains equal numbers of particles (2 Words)
7.subatomic particle with no charge and a mass of 1 amu
9.the number of protons in an atom (2 Words)
11.amount of a substance that contains 6.023 x 10^23 (10 to the 23rd power) particles
13.the ratio of the mass of an object to its volume
15.a rule that electrons occupy the orbitals of lowest energy first (2 Words)
17.an atom or group of atoms that has a positive or negative charge
18.a unit of mass equal to one-twelfth the mass of a carbon-12 atom (3 Words)
19.subatomic particle with a negative charge
21.term used to refer to the mass of a mole of any substance (2 Words)

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