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Science Vocab 6-6
6th grade science vocab 6-6
Question | Answer |
---|---|
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 |