We are the original creators of the Heritage Periodic Table, an acrylic periodic table with 83 real elements inside. We are also the original creators of the Heritage Personal Museum, a collection of 33 historical artifacts and rare specimens.
Within the table a number of blocks are labeled in terms of the nature of the orbital occupied by the highest energy electron in the atomic ground state of any element in the block. The following blocks are recognized. 1. s-block: highest energy electron (outermost) is s 1 or s 2 . ...
Print-your-own elements cards. Use these however you want. It's fun to simply lay them out to make the whole periodic table. You can use them as flash cards to help you memorize the facts on the front and back of each card. If you want to play it as a game, you can invent you...
Scientists from leading global institutions are advancing our understanding of the periodic table by exploring superheavy elements and the theoretical “island of stability.” Their research, highlighted in prestigious scientific publications, seeks to uncover the properties of elements with over 103 pro...
colors according to the metallic character of the elements (alkali, alkaline earth, metalloid, transition metal, other metal, or nonmetal). advanced tab the figure below shows the advanced tab of the periodic table . for a detailed explanation of the buttons, see query features . generic query...
The table shows that the length of a period is by no means constant. The first is only two elements long—hydrogen (H) and helium (He). Next come two periods with eight elements each, including some of the most abundant and important substances known. Nitrogen (N) and oxygen (O) are...
elementsgetgroupedtogetherasthe“B”elements,orgroups#1B-8B.Alloftheotherelementsare“A”elements,withgroups#1A- 8A.Usingthislabelingsystemwilltellyouexactlyhowmanyvalenceelectronsareintheatoms.However,sometimesthegroupsare justlabeled#1-18. TwoattheTop:Hydrogen(H)andhelium(He)arespecialelements.Hydrogencan...
CE5 periodic table, chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley. In the periodic table the elements are arranged in columns and rows according to increasing atomic
Short history of how the Periodic table of chemical elements was arranged, from Lavoisier's Table of simple substances to Seaborg Actinide concept.
In late 2006 I published a photo periodic table and it's been selling well enough to encourage me to make new products. This one is a particularly neat one: A complete card deck of the elements with one big five-inch (12.7cm) square card for every element. If you like this site and...