Tellurium @ Periodic Table of Chemical Elements. Periodic Table. This periodic table shows element symbols, atomic numbers, and atomic weights.
Click on an element symbol for more information about that element. The periodic table arranges the chemical elements into a pattern so that you can predict the properties of elements based on where they are located on the table. Elements are arranged from left to right and from top to bottom in order of increasing atomic number or number of protons in the element. Rows of elements are called periods.
States of Matter. Dirtmeister's Science Lab on Ecosystems. Matter. What is matter?
Matter is everything around you. Atoms and compounds are all made of very small parts of matter. Those atoms go on to build the things you see and touch every day. Matter is defined as anything that has mass and takes up space (it has volume).