core chemistry words to know
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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| Matter | anything that takes up space and has mass
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| Physical Properties | properties that help identify a substance that stays the same, like color, texture, shape, hardness, mass, volume, sound, density, size, smell, taste
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| Phases or States of Matter | solid, liquid, gas
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| Solid | particles are close, with definite volume and shape, and move slow
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| Liquid | particles are farther apart, have definite volume, but not definite shape, and move faster
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| Gas | particles are far apart, have no definite shape or volume, and move fast
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| Particle Theory of Matter | all matter is made of particles; particles of a certain substance are all the same; particles are attracted together; and move all the time
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| Element | basic substance of matter; can't be changed by chemical process, heating, or electricity
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| Atom | building block of elements (made of negative electrons, positive protons, and no charge neutrons)
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| Periodic Table | chart that shows all the elements, organized by certain properties
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| Molecule | smallest part of a compound
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| Compound | a substance with more than one kind of element, like water...H2O
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| Chemical Symbol | abbreviation for an element
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| Chemical Formula | abbreviation for a compound (numbers show how many atoms)
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| Physical Change | properties change, but the substance stays the same
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| Chemical Change | changes into a new substance
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| Mixture | two or more substances around each other mixed, but not chemically joined
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| Solution | one substance dissolved in another
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| Chemical Equation | reaction equation with symbols and elements
(reactants --> products)
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| Organic Compounds | contain carbon, the building blocks of molecules necessary for life
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| Inorganic Compounds | don't contain carbon, nonliving things (water and minerals)
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| Protein | complex molecule, long amino acid chains, build and repair body, protect from disease, and speed chemical reactions
(C-H-O-N)
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| Carbohydrates | give energy and store it, simple sugars, and complex starches (C-H-O)
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| Lipids | fats, don't mix with water, give energy and store it, only used when no carbs & twice the energy
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| Nucleic Acids | large molecule, stores and processes information in cells to do activities, DNA stores and copies, RNA carries copied message
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
jpeteric
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