click below
click below
Normal Size Small Size show me how
Unit 4 Vocabulary
Term | Definition |
---|---|
Atomic Mass | Average mass of one atom of an element. |
Periodic Table of Elements | A chart where all elements are organized into periods and groups according to their properites. |
Chemical Symbol | One or two letter code that stands for an element; Many symbols are abrieviations of the elements name which maybe English, Latin, or Greek in origin. |
Period | A row of elements in the periodic table arranged by atomic number. |
Group | Column of elements in the periodic table in which elements have certain properties in common also called chemical family. |
Matter | The matter that all objects and substances are made of; Anything that has mass and takes up spae. |
Element | Substances that are the building blocks of all matter; An element is made up of one kind of atom. |
Compound | Matter nade of two or more elements; The elements in a compound are chemically bonded, cannot be separated by physical means and a compound has properties that are different from the elements that make it up. |
Atom | Smallest particle into which an element can be divided and still have the properties of that element. |