Periodic Table
A vertical column on the periodic table that consists of elements that have similar chemical properties and reactions with other elements
What is group or family?
a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
What is pure substance?
The ability of one substance to dissolve into another
What is solubility?
Two or more atoms that are held together by covalent bonds and act as a unit
What is molecule?
a combination of two or more substances that are not chemically combined
What is mixture?
A chart of the elements arranged into rows and columns according to their physical and chemical properties
What is periodic table?
a substance that cannot be separated or broken down into simpler substances by chemical means; all atoms of an element have the same atomic number
What is element?
A mixture in which the substances are not evenly mixed; does not have a uniform structure of composition throughout
What is heterogenous mixture?
a substance made up of atoms or ions of two or more different elements joined by chemical bonds
What is compound?
Another name for a homogeneous mixture, consists of a solvent and solute
What is solution?
in chemistry, a horizontal row of elements in the periodic table in which the atomic number of each element increases as you move left to right
What is period?
An inverse measure of the concentration of Hydronium Ions (H3O+) in a solution
What is pH?
A mixture in which two or more substances are evenly mixed, but not bonded together; has a uniform structure of composition throughout
What is homogenous mixture?