simple chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Chemistry | science that deals with composition of matter
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| Element | substance from wich all matter is made of
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| Atom | Fundimental unit that makes up chemical elements
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| Proton | Positively charged atom
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| neutron | nuetral no charge atom
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| electron | negatively charged atom
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| neucleous | center of Atom
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| atomic number | number of protons and electrons present in nuecleus or around nucleus of each of it's atoms
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| orbital | circulates around atom
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| energy levels | defined by distance from the nucleus
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| 1st energy level | closest to necleus composed of one orbital max of two electrons
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| 2nd energy level | farthest away can have up to four orbits possible 8 electrons
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| Nonmetal | outer most energy level must have more than 4 electrons but less than eight electrons
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| metal | outer most shell must have less than 4 electrons.
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| Molecules | simply a combination of two or more atoms
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| Molecule | can be made of like atoms
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| Molecule | most often made of 2 or more different atoms
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| compounds | molecules formed by union of 2 or more atoms
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| simple | made of few elements
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| complex | made of many elements
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| water | most abundant compound in body
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| mixture | blends of two or more substances
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| types of mixtures | solution, suspension, colloidal
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| solution | mixture remain evenly distributed, like sugar in tea
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| suspension | mixture solvent settles out unless constantly shaken like salad dressing
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| colloidal suspension | mixture particles do not disolve like fruit in jello
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| dissolving substance | is the solvent, like water in koolaid
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| solute | substance that is dissolved, like salt, sugar, koolaid
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| neutralized | equal number of protons and electrons
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| Ionic Bond | Opposites attract. Produce compound when cling together
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| Covalent Bond | Sharing. sharing of electrons between atoms.
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| acid | chemical substance capable of donating a hydrogen ION to another substance
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| Base | chemical substance containg a hydrogen ION that can accept a hydrogen ION
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| a reaction between an acid and a salt produces what? | Salt
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| buffers | chemicals that maintain homeostasis in body
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| we need these compounds to sustain life | organic compounds
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| organic compounds | all chemical compounds that sustain life
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| organic compounds must contain these to be classified | carbon, hydrogen, oxygen
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| Large Complex molecules | consist of organic compounds
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| Lrge compound molecules | formed from simple molecules called building blocks
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