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chem test

vocabulary for test

QuestionAnswer
Atom: the smallest unit of an element. Elements = each substance which cannot be chemically broken down into simpler substances. Element vs atom
The different forms of an element. For example Hydrogen 1 and 2. The difference between the atoms is the number of neutrons. Isotope
1 - 2 electrons 2 - 8 electrons 3 - 8 electrons Electron Shells (know the first three levels)
A charged atom either positive or negative, having lost or gained an electron. Ion
The way you write the number of elements contained in a molecule (example: CO2) Chemical Formula
The force that holds the protons and neutrons together in the nucleus. Strong Nuclear Force
The force of attraction between the protons and the electrons that keeps the electrons from flying away. Electromagnetic Force
Ionic or covalent bonds, which are responsible for creating molecules. Chemical Bonds
The sharing of electrons to create molecules. Covalent Bonds
The exchanging of electrons to create molecules Ionic Bonds
Created by: user-1937465
 

 



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