PARTICLES
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What do we call positively charged particles within the atom?
what is 'proton'
what is the study of matter--what it is made of, what its usual characteristics are, how it reacts to other matter
what is 'chemistry'
what is the brain of the computer that processes information
what is 'a CPU'
what is a continuous unbroken path for electric current called?
what is 'a circuit'
what occurs when molecules combine to form a new substance?
what is 'a synthesis reaction'
what are the negatively charged particles within the atom, and what are the particles within the atom without a charge?
what is 'the electron' and 'the neutron'
what is the abbreviation for the name of an element?
what is 'the chemical symbol'
what part of the computer stores facts temporarily?
what is 'the RAM'
what is a material that allows electricity to flow through it easily?
what is 'a conductor'
what occurs when a compound breaks apart into two or more simpler compounds?
what is a 'decomposition reaction'
what is the center of the atom, containing the protons and neutrons
nucleus
what is a column on the periodic table of elements called?
what is the 'group'
what part of the computer contains the built-in memory and programs, or long-term memory
what is 'the ROM'
what is a material that does not allow electricity to flow through it?
what is 'an insulator'
who is the man who developed a classification system for elements
who is "Dmitri Mendeleev'
what is the space that represents the average distance that electrons are from the nucleus
what is 'the shell'
what is a row on the periodic table of elements called?
what is 'the period'
what is 'the binary number system'
what is a material that reduces the flow of electrons?
what is 'a resistor'
which man developed a simplified model of the atom
who is 'Niehls Bohr'
what is 'the atomic number'
what is an atom that has gained or lost electrons called?
what is 'an ion'
what is a very small circuit with all its components in a single unit?
what is 'an integrated circuit'
what is a material that can work as a conductor or as an insulator?
what is 'a semiconductor'
which two men discovered that moving a magnet around or through a loop of wire produces electricity in the wire?
who is 'Joseph Henry and Michael Faraday'