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Ch. 1-8 Review

Teacher: vanessa
Across
The ability of a substance to be hammered or beaten into thin sheets(6)
A quantum of electromagnetic energy(4)
Electron.... is the energy change that occurs when an electron is acquired by a neutral atom(5)
The mass number of bromine(2)
Smallest unit of an element that maintains the chemical identity of that element(1)
The name of what is given first in a binary ionic compound(7)
Ions formed from a single atom(7)
How many arrows point up in the orbital notation of sodium(4)
Atoms that have lost or gained electrons(3)
AX->A+X(8)
Was discovered in 1900 by Frederich Dorn(5)
The atomic number of nitrogen(2)
Every sample of a pure substance has a pure....(1)
Original substances(8)
8 electrons in the highest occupied energy level follow the...(6)
Name BaO(7)
Neutral group of atoms that are held together by covalent bonds(6)
As wavelength of light increases, its frequency...(4)
General term for a specific isotope of an element(3)
Substance that can be broken down into simple, stable substances(1)
Down
Bending of a wave as it passes by the edge of an object(4)
Solid produced as a result of two solutions mixing and a chemical reaction occurs(8)
Depends on the amount of matter that is present Ex:volume(1)
Methane+ oxygen->carbon dioxide+ water is an example of a ...(8)
An observation that deals with numbers(2)
6.022x10^23(3)
Refers to the closeness of measurements to the correct or accepted value of the quantity measured.(2)
The sum of the average atomic masses of a compound's element(7)
Sharing of electron pairs between two atoms, is .....bonding(6)
Repeating pattern/regular(5)
Negative ion(5)
Number of electrons in a hydrogen-1(protium)..(3)