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4.4 chemistry

chemistry

QuestionAnswer
chemical property The ability of a substance to undergo a specific chemical change
chemical formula An expression that shows the elements in a compound and the relative proportions of those elements
reactant is the material at the beginning of the reaction
product is the material at the end of the reaction
Subscripts the little number in the formulas that represent how many of each element is there
chemical equation describes a chemical reaction
describe the chemical property of iron is that it's capable of combing with oxygen to form iron oxide, the chemical name of rust
an element that doesn't exist freely sodium and helium
an element that does exist freely oxygen
what are 7 words that indicate a chemical change Burn, Rot, Rust, Decompose, Ferment, Explode, Corrode
describe the composition of matter during a chemical change During a physical change, the composition of matter never changes
What is the propose of the arrow in a chemical equation it indicates that the reactions goes in one direction under the conditions indicates
What are the 4 clues of a chemical change transfer of energy, change of color, the production of gas
chemical change also called chemical reaction
another way to write chemical reaction rxn
precipitate is a solid that forms and settles out of a liquid mixture
example of precipitate soap scum in the bathroom
Created by: user-1975553
 

 



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