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Vocab science1

vocab list

QuestionAnswer
law of conversion notes states that no matter can be created or destroyed, only changed from one form to another
physical change change in an object's appearance or size
chemical change change in an object's composition
element substance that cannot be broken down into simpler elements
chemical formula way of writing down the properties of a molecule
element (diatomic) molecule molecules composed only of two atoms
compound molecule molecules with more than one different elements in it
chemical equation represents a chemical reaction and its outcomes
chemical reaction the reaction the electrons in an atoms make when a change is done to it
reactants the molecules initially involved on a chemical reaction
products the molecule outcome of a chemical reaction
coefficient the number of molecules in a chemical formula
subscript the amount of atoms of a particular element in a molecule
ionic compound held together by perfect match of electrons in the atoms, like a puzzle put together
covalent compound held together by sharing pairs of electrons between atoms
metallic compound held together by sea of electrons that move freely around each atom
synthesis combining two or more atoms to make a artificial molecule
decomposition analysis or breakdown of a compound into simpler compounds, the opposite of synthesis
single replacement happens when one element is replaced by another in a chemical reaction
multiple replacement happens when two or more elements replace each other in a chemical reaction
Created by: s0904173
 

 



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