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ch. 32 notes

ch. 32 questions

what kind of charges repel? like charges repel
what kind of charges attract ? opposite charges attract
if a rod is rubbed with wool the wool is has a positive charge because ? electrons are transfered from the wool to the rod . protons can't be transfered.
a neutral rubber rood becomes negatively charged the wool looses electrons
what charge do electrons protons and neutrons have? electrons have negative charge, protons have a postive charge, nuetrons are neutral
what is a charged atom called ? an ion
if an atoms gains electrons what kind of ion is it? a negative ion
what kind of net charge does a neutral atom have ? a zero net charge
what is the principle of Conservation of charge? that electrons are not created or destroyed they are transfered
what are the three different ways to charge an object ? friction , induction and contact
what provides a path for electrons to move from or to the ground ? grounding
what is an example of charging by induction in nature ? lightning
what is polarization ? polarization is when insulators can be charged by induction even though they don't have electrons that are free to move throughout the material ,
Created by: hkramer