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elements,compounds

elements compounds and atoms

QuestionAnswer
ELement A pure substance that cannot be broken down
Pure Subtance Matter made up of the same particals throughout
Compound Matter composed of 2 or more elements that are chemically combined
Atmosphere A mixture of mainly nitrogen and oxygen
Matter Anything that has volume and mass
Oceans Water is made up of Hydrogen and Oxygen
Elements of the systems Only a small number of elements found in Earth's systems
Periodic Table of Elements An arrangement of elements according to their atomic number
Solid Earth Oxygen and Silicon are the most abundant elements in Earth's crust
Chemical Symbol The symbol that represents the elements on the periodic table
Living Matter Cells from living matter made of mostly carbon,hydrogen,oxygen etc.
Chemical Reaction The process of which elements change to make new ones
Physical property The characteristics of which can be observed without changing the subtance
Chemical Formula A shorthand notation using chemical numbers and number of atoms
Groups Vertical rows on the periodic table
Atom The smallest part of an element or compound
Atomic Number The number of protons in a atomic nucleus
Periods Horizontal rows on the periodic table
Created by: boomba
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