Bio-Ch06Notes-Chemistry.doc - Biology – Ch.6 Notes –...

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Biology – Ch.6 Notes – Chemistry in BiologyName/Hour ____________________________6.1 Atoms, Elements, and CompoundsA.__________________ is the study of matter*Matter is anything that has _________& takes up _______________B.____________ are the ____________ ___________ of matterParts of an atom:Location in atom:Charge of particle:1.Proton2.nucleus3.negativeC. Electrons move around in _______________ levels1stholds ____ electrons2ndholds ____ electrons3rdholds ____ electronsD.An _________________ is a pure _____________ that cannot be brokendowninto other substances by ___________ or ______________ means.1. There are over ______ known elements, ______ of which occur naturally.2. Each element has a unique _________ and ______________E. The Periodic Table of Elements1.Horizontal rows are called ____________2.Vertical columns are called _____________* Share similar _____________ & _____________ propertiesF. __________________ = Atoms of the ____________ element that have the same numberof ____________ and electrons but have a _____________ number of _______________1. Atomic number = number of ______________2. Atomic mass = number of _____________ + ______________ in nucleus3. ____________________ Isotopes = When a _______________ breaks apart, itgives off _______________ that can be detected and used for many applications.Example = ____________________ found in living things – bydetermining theamount of each type of isotope, the age of organicmatter can be determined
4. Half-Life = amount of __________ it takes for half of a radioactive atom to _______G. _____________ =A pure substance formed when ___ or more ________ elements combine1. always formed from a specific ____________ of elements in a fixed __________2. cannot be broken down into __________ compounds or _____________ by_________________ means.3. Examples: table __________, water, hydrocarbons for ____________ (methane).H. __________________ Bonds –_________ holding together 2 or more ______________* a partially filled ___________ level isn’t ___________ so the atom becomesstable by __________ or ______________ electrons1. _________________ bonds =_____________ bond that forms when ___________are _________________

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Term
Spring
Professor
ryne
Tags
Chemistry, Atom, b Chemical Equations

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