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Atomic Vocab Science

Vocab StudyStack HW for Science

QuestionAnswer
Law of Conservation of Mass Law that states mass is neither created or destroyed in orydinary chemical & physical change
Physical Change A type of change in which the form of matter is altered but one substance is not transformed.
Chemical Change A rearrabgenebt if the atoms of one or more subtanfces and a change in their chemical properties or composition, resulting in the formation of at least one new subtance.
Element One of a class of substances that cannot be separated into simpler subtances by chemical means
Chemical Formula A way of expressing information aboutr that atoms at constitue a particular chemical compound
Element Molecule A substance composed of atoms having an identical number of protons in each nucleus that cannot be reduced to simpler substances by normal chemical means.
Compound Molecule A pure chemical substance consisting of two or more different chemical elements
Chemical Equation A representation, using chemical symbols in a form resmbling a mathematical equation.
Chemical Reaction A process that leads to the transformation of one set of chemical substances to another.
Reaction(In a Chemical Equation) What happens in a chemical equation
Product(In a Chemical Equation) The outcome of a chemical reaction.
Coefficient(In a Chemical Equation) In 2C Coefficient = 2
Subscript(In a Chemical Equation 1.character printed on lower level: a character that is printed on a level lower than the rest of the characters on the line, the 2 in H2O
Diatomic Having two atoms per molecule. (H^2)
Created by: p0403472
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