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Science Vocab 6-6
6th grade science vocab 6-6
|anything that takes up space.
|a very small particle that makes up most kinds of matter and consists of smaller parts called protons, neutrons, and electrons
|Law of Conservation of Matter 3-3
|states that matter is not created or destroyed but only changes its form.
|invisibile,negatively, charged particle located in a cloudlike formation that surrounds the nucleus of an atom.
|positively charged central part of an atom
|positively charged particle located in the nucleus of an atom that is counted to identify the atomic number.
|an uncharged particle located in the nucleus of an atom.
|natural or synthetic material that cannot be broken down into simpler materials by ordinary means has unique properties and is generally
|atomic number 3-9
|number of protons in the nucleus of each atom of a given element is the top number in periodic table
|two or more atoms of the same element that have different number of neutrons in their nuclei
|mass number 3-11
|sum of the number of protons and neutrons in the nucleus of the atom
|atomic mass 3-12
|average mass of an atom of an element its unit of measure is the atomic masss
|element that is malleable ductile a good conductor of electricity and generally has a shiny metallic luster.
|elements that and are usually gases or brittle solids and poor conductors of electricity and heat are the basic of the chemical life
|element that has characteristics of both metals and nonmetals and is solid at room tempterature
|matter with a fixed composition whose identity can be changed by chemical processes but not by ordinary physical processes
|a substance produced when elements combine and whose properties are different from each of the element in it.
|a combination of compounds and elements that has not formed a new substance and whose proportions can be changed without charging the mixtures identity