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Biomagnification increase in concentration of harmful substance at each link in the food chain as one animal eats many contaminated animals
Bioaccumulation gradual build up of chemicals in an organisms body
3 States of Matter Solid, Liquid, and Gas
Difference between Physical and Chemical properties of Matter Physical properties are properties that do not change the nature of matter.Chemical properties are properties that do change the nature of matter.Physical changes are reversible.
Define Malleability It is the ability of a solid to bend or be hammered into other shapes without breaking
Define Ductility Capable of being drawn out into wire or threads, as gold.
Define Lustre eflected light; sheen; gloss
Define Combustibility Capable of catching fire and burning; inflammable; flammable:
Difference between element and compound An element is a single substance. A compound consists of two or more of these elements.
Atom the smallest component of an element
Molecules . the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound.
Element A chemical element is a substance that cannot be broken down by chemical means.
Alkali metals The alkali metals, found in group 1 of the periodic table , are very reactive metals that do not occur freely in nature
Alkaline Earth Metals any of the divalent strongly basic metals of group II of the periodic table
Halogens group 17
Noble Gases group 18
Isotope any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons
Created by: irinagherciu