atoms molecules and the elements Berg

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Information about atoms molecules and the elements Berg

Published on March 16, 2016

Author: joberg33


Atoms, Molecules, and the Elements: Atoms, Molecules, and the Elements A Science Unit for Mrs. Berg’s Class atom : atom 1.   The basic building block of matter. 2.   The smallest component of an element having the chemical properties of the element. chemical formula  : chemical formula   noun     A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound. ex. Al2(SO4)3 compound  : compound   noun,verb,adjective     A substance made up of two or more elements chemically joined together into a molecule. NaCl = salt electron : electron noun     particle in an atom that has a negative electrical charge element: element noun     A substance whose atoms are all alike. There are over 100 elements on the Periodic Table. gas: gas noun,verb     One of the three states of matter. This state of matter has no fixed shape and no fixed volume.  heterogeneous:   heterogeneous adjective     These types of mixtures contain more than one substance evenly mixed but not chemically bonded together and is the same throughout. homogeneous : homogeneous adjective     When two or more substacnes come together but don't chemically combine or bond to make a new substance it is called this. inorganic : inorganic adjective       Any substance that does not contain carbon. ion     : ion     noun     a positively or negatively charged atom liquid : liquid noun,adjective     A state of matter that has no fixed shape but that has a definite volume. matter : matter noun,verb     Anything that takes up space and has mass. molecule  : molecule   noun     The smallest physical unit of a substance that can exist independently, consisting of one or more atoms held together by chemical forces. neutron : neutron noun     An elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus.   nucleus: nucleus 1.   The positively charged center of an atom. 2.   The nucleus is in the center of the atom organic: organic noun,adjective     Obtained from a living thing; Containing carbon particles : particles noun     Very small pieces of matter. proton  : proton   noun     A stable particle with positive charge equal to the negative charge of an electron.   solid : solid noun,adjective     A state of matter that has a definite shape and a definite volume. solution  : solution   noun     A homogeneous mixture that has dissolved substances.

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