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Science Vocab 6-6

6th grade science vocab 6-6

matter 3-1 anything that takes up space.
atom 3-2 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.
Electron 3-4 invisibile,negatively, charged particle located in a cloudlike formation that surrounds the nucleus of an atom.
nucleus 3-5 positively charged central part of an atom
proton 3-6 positively charged particle located in the nucleus of an atom that is counted to identify the atomic number.
neutron 3-7 an uncharged particle located in the nucleus of an atom.
element 3-8 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
isotope 3-10 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
metal 3-13 element that is malleable ductile a good conductor of electricity and generally has a shiny metallic luster.
nonmetal 3-14 elements that and are usually gases or brittle solids and poor conductors of electricity and heat are the basic of the chemical life
metalloid 3-15 element that has characteristics of both metals and nonmetals and is solid at room tempterature
substance 3-16 matter with a fixed composition whose identity can be changed by chemical processes but not by ordinary physical processes
compound 3-17 a substance produced when elements combine and whose properties are different from each of the element in it.
mixture 3-18 a combination of compounds and elements that has not formed a new substance and whose proportions can be changed without charging the mixtures identity
Created by: jaealex1