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More terms for DOLL
terms i know for test
| Term | Definition |
|---|---|
| acid | a substance that taste sour, reacts with metals and carbonates, and turns blue litmus paper red |
| base | a substance that is bitter, feels slippery, and turns red litmus paper blue |
| ph scale | the scale that measures how acidic or basic a substance is (1-2 meaning very acidid, 5-7 meaning neutral, 13-14 meaning very basic) |
| subscript | the number in a chemical equation that tells how many atoms in a molecule or the ratio of elements in a compound |
| coefficient | number in a chemical formula that tells how many molecules or atoms each reactant or product are involved in a reaction |
| endothermic | when energy is taken in |
| exothermic | when energy is given off |
| ion | an atom or group of atoms that has become eletrically charged |
| polar | an unequall share of electrons in a covalent bond |
| non-polar | and equal share of electrons in a polar bond |
| ductile | a metal being able to be pulled out in to a wire |
| malleable | a metal being a able to be made into a sheet |
| electrons/protons/neutrons | negatively charged particles in an atom, positively charged electrons in an atom, and neutrally charged particles in the necleus of an atom |
| synthesis reaction | when elements combine to for a more complex element |
| decomposition reaction | a chemical reaction in which compounds break down to form a simpler substance |
| single replacement reaction | a reaction where one element replaces another element in a compound |
Created by:
PiercetheClaire
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