Unit 4 vocab Word Scramble
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Term | Definition |
atomic mass | average mass of one atomof an element |
periodic table | a chart where all elements are organized into periods and groups according to their properties |
chemical symbol | one or two letter code that stands for an element;many symbols are observations of the elements name; which may be english,latin,or greek in origin. |
period | chemistry: a row of elements in the periodic table arranged by atomic mass. |
group | column of elements in the periodic table, in which elements have certain properties in common;also called chemical family. |
matter | the material that all objects and substances are made of;anything that has mass and takes up space. |
element | substances that are the building blocks of all matter; an element is made up of one kind of atom. |
compound | matter made of two or more elements; the elements in a compound are chemically bonded cannot be seperated by physical means, and a compound has properties that are different from the elements that make it up. |
atom | smallest particle into which an elemnt can be divided and still have the properties of that element. |
electron | negativily charged particles sound outside the nucleus of an atom. |
nucleus | biology structure near the center of a cell that contains the cells. |
proton | positively charged particle located in the nucleus of an aton. |
nuetron | in an atom, particle with a neutral charge; located in the nucleus. |
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