The+Atom+FIB+Notes (1).docx - The Atom Structure of the...

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The AtomStructure of the AtomIn order to understand atoms, we need to understandthe idea of______________________________.We know of two different kinds of_____________________, and we call them_____________ & _________________.Electric charge in matterWe say an object is electricallyneutralwhen its____________________________________________________________________.An early modelIn 1897 English physicist ____________________ discovered that electricity passingthrough a gas caused the gas to give off particles that were too small to be atoms.These negative particles were eventually called “_________________.”The nuclear modelIn 1911, ________________________________, _________________________, and____________________________ did a clever experiment to test Thomson’s model.We now know that every atom has a tiny__________________, which contains morethan ______% of the atom’s mass.How to read a periodic table:Inside an atomThe mass of the _________________ determines the mass of an _______________because_______________and______________are much larger and more massivethan ________________.In fact, a proton is _____________ times heavier than an electron.
Force inside atoms___________________ are bound to the _________________ by the attractive forcebetween ___________________ (____ ) and __________________ (___).________________________ keep protons and electrons togetherWhat holds the nucleus together?

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Term
Spring
Professor
David Johnson

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