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Grade 5 Chapter 12
vocabulary words for Chapter 12
| Question | Answer |
|---|---|
| the smallest particle of an element that still has the properties of that element | atom |
| a shorthand way to describe the chemical make up of a compound | chemical formula |
| a process in which one or more substances are changed into one or more different substances, or a specific example of one or more chemical changes | chemical reaction |
| a letter or letters that abbreviates an element's name | chemical symbol |
| a substance that is made up of two or more elements that are chemically combined | compound |
| a particle in an atom that has a negative charge | electron |
| a substance that cannot be broken down into other substances | element |
| any one of the elements located on the left and bottom of the periodic table, which are usually shiny, can be bent or stretched, and conduct electricity | metal |
| two or more atoms joined together by chemical bonds | molecule |
| a particle in the nucleus of an atom that has no charge | neutron |
| any one of the elements located in the far right column of the periodic table, which generally do not combine with other elements to form molecules | noble gas |
| any one of the elements generally located on the upper right side fo the periodic table, which are usually dull, brittle, and do not conduct electricity | nonmetal |
| storehouse of the cell's most important chemical information, or the central core of an atom | nucleus |
| a table that organizes the elements by their properties | periodic table |
| a particle in the nucleus of an atom that has a positive charge | proton |
| any one of the elements located between the metals and nonmetals on the periodic table , which have some properties of metals and some properties of nonmetals | semimetal |