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chem 1
Question | Answer |
---|---|
A science that deals with the structure and properties | Chemistry |
Group 18 in the periodic table with a full outer shell | Noble Gas |
Number of protons in the nucleus in an atom | Atomic Number |
Reaction in which the nuclei of one atom combines with the nuclei of another to form a larger nuclei | Nuclear Fusion |
Atoms with same number of protons but not the same nunber of neutrons | Isotope |
the figure of a number that express a magnitude to a specified degree of accuracy | Significant Figure |
Mass per unit of volume | Density |
Element with the properties of both metals and nonmetals | Metalloid |
Sum of the protons and neutrons in the nucleus of an atom | Mass Number |
System of electrons surrounding the nucleus of an atom | Electron Cloud |
Smallest particle of a substance that can exist by itself | Atom |
The quality of being exact | Precision |
The ability to work without mistakes | Accuracy |
Method that expresses the number multiplied by 10 and the appropriate power | Scientific Notation |
Experimental value minus the accepted value, divided by the accepted value and then multiplied by 100 | Percent Error |
Numerical measurements rather than its words | Quantitative Data |
The heat required to raise the temperature of the mass of a given substance by given amount | Qualitative Data |
The heat required to raise the temperature of the mass of a given substance by given amount | Specific Heat |
A solid that is produced by a chemical reaction in solution | Precipitate |