chemical reactions & law conservation Crossword

absorbs energy
releases energy
combine to form a single product
a process during which chemical bonds between atoms are broken down and new ones are formed
tells how many atoms molecules or formula units take part in a reaction
A reaction in which a single compound breaks down to form two or more simpler substances
the starting materials in a chemical reaction
the most fundamental law in chemistry
What shows the Law of Conservation of Mass?
oxygen combines with a substance and releases energy in the form of heat and light
occurs when the atoms of one element replace the atoms of another element in the compound
occur when ions exchange between two compounds
a number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
a chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.