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Physical and chemica

QuestionAnswer
Proccess that produces a chemical change Chemical reaction
Chemical equation A written representation of what happens during a chemical reaction
Reactants too.... Products
Coefficient Number placed in-front of a chemical formula that tells how many atoms or molecules of a reaction of product take place in the reactionn
Co2 2 is the subscript
CaCo CA is the symbol
CACO Is the formula
Mixture Two or more substances elements compounds that take place not chemically combined
Mace Compund-element-mixture
Physical properties Characteristics that can be observed. Without changing substance into another substance. Ex. Density,heat,color,magnetic properties,solubility,hardness,texture,flexibility
Solubility Ability of substance to dissolve in water
Solution Well mixed mixture that contains a solvent and at least one solute Can be made of many gases, liquids, or soilds
Solvent Part of the solution present in the largest amount
Soluet The substance present in a solution in a small amount
Acids Any compund that produces hydrogen in water The greater Amount of Ht, the stronger the acid Sour, corrosive,change blue litmus paper red Acidic solutions conduct electricty
Bases Any compound that produces hydroxide ions (OH-) in water The greater amount of OH-, the stronger the bases Bitter change red litmus paper blue slippery Also conduct electricity
pH scale Used to tell how acidic something or basic a substance is pH of a solution is the measure of the H+ concentration on a scale of 0-14 (how much of a solid there is
Chemical change A change in matter that produces one or more new substance -look for 👀 1. Color 2.energy 3.odor 4.gases and soliders
Chemical properties Characteristics of a substance that deserves its ability to change into other. Substance Ex. -burning -tarnishing - rusting
Created by: Pilar paredes
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