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Practice tests are modeled on public exam formats and are not affiliated with any exam body.

Legal/Medical Secretary Typing Test 41: The Structure of the Atom

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Legal/Medical Secretary
Test 41

Legal/Medical Secretary practice test 41

The Structure of the Atom · 323 words · 5 min · English · backspace allowed · target 65 WPM

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Practice test modeled on the Legal and Medical Secretary Typing Test format. Not affiliated with Law firms, Queensland Health. 60 to 70 WPM with 95 to 98% accuracy on legal or medical passages.

5:000wpm100%0/323

Everythingwecantouchismadeofatoms,andeveryatomhasthesamebasicdesign.Atitscentreisatiny,densenucleuscontainingprotons,whichcarryapositivecharge,andneutrons,whichcarrynone.Aroundthenucleusmoveelectrons,negativelychargedparticlessolightthatthenucleusholdsalmostallthemass.Thenumberofprotonsdecideswhichelementanatomis:oneprotonmakeshydrogen,sixmakecarbon,twenty-sixmakeiron.Electronsarrangethemselvesinshells,anditistheoutermostshellthatdetermineshowanatombondswithotherstoformmolecules,fromwatertotheproteinsinourcells.Theatomismostlyemptyspace;ifthenucleuswerethesizeofamarble,thenearestelectronwouldbehundredsofmetresaway.Thispicture,workedoutintheearlytwentiethcentury,underlieschemistry,electronicsandnuclearpoweralike.Untilthemiddleofthenineteenthcentury,nobodyknewwhywoundsbecameinfectedorwhydisease

The timer starts when you press Start or type the first key. Tab + Enter for a new test, Esc to pause.