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Science Test Study Guide

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Periodic Table
A table that organizes the elements by their properties
Proton
A particle in the nucleus of an atom that has a positive charge
Noble Gas
Any one of the elements located in the far right column of the periodic table, which generally do hot combine with other elements to form molecules
Atom
The smallest particle of an element that still has the properties of that element.
Electron
A particle in an atom that has a negative charge
Chemical Symbol
A letter or letters that abbreviates an element's name
Neutron
A particle in the nucleus of an atom that has no charge
Metal
Any one of the elements located on the left and bottom of the periodic table, which are usually shiny, can be bent or stretched, and conduct electricity
Compound
A substance that is made up of two or more elements that are chemically combined
How are the elements set up in the periodic table?
The elements are set up in the periodic table by their properties.
How is the periodic table arranged?
The periodic table is arranged by increasing atomic number and by physical and chemical properties.
What are differences in carbon substances?
Differences in carbon substances are given according to the way the carbon atoms are arranged.
What are the properties of metals?
The properties of metals are: they are solid at room temperature, soft, malleable, and can conduct heat and electricity.
What are the first 10 elements of the periodic table?
The first 10 elements of the periodic table are: Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Flourine, and Neon.
Metal, Nonmetal, or Semimetal?
If you know that elements #3, 4, and 5 are metal, metal, semimetal, then the other 7 elments are all nonmetals.