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Unit 1 Vocab

TermDefinition
Scientific Notation Scientific notation is the way that scientists easily handle very large numbers or very small numbers.
Percent Error When you calculate results that are aiming for known values, the percent error formula is useful tool for determining the precision of your calculations.
Significant Figure Each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit.
Quantitative Data Quantitative data are measures of values or counts and are expressed as numbers.
Qualitative Data Qualitative data are measures of 'types' and may be represented by a name, symbol, or a number code.
Chemistry Chemistry is the scientific discipline involved with compounds composed of atoms
Isotope Isotopes are variants of a particular chemical element which differ in neutron number.
Nuclear Fusion A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
Atomic Number the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Specific Heat the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
Accuracy
Precision Precision is a description of random errors, a measure of statistical variability.
Precipitate Precipitation is the creation of a solid from a solution.
Noble Gas The noble gases make up a group of chemical elements with similar properties
Electron Cloud It is used to describe where electrons are when they go around the nucleus of an atom.
Atom An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
Mass Number the total number of protons and neutrons in a nucleus.
Density The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.
Metalloid an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. They are electrical semiconductors.
Mass Number the total number of protons and neutrons in a nucleus.
Created by: jayau
 

 



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