Yearly Archives: 2014

This element symbols worksheet is a 15 question worksheet aimed to familiarize students with the symbols of the elements and their location on the periodic table. Each question is a series of atomic numbers where the element symbols spell out a country’s name. A downloadable PDF of this worksheet can be found […]

Element Symbols Worksheet – Countries

This entry was posted on October 9, 2014 by Todd Helmenstine (updated on March 3, 2026)

Here is an answer sheet to the Element Symbols – Countries Worksheet. A PDF of this sheet can be downloaded here. If you would rather just have the answers to the element symbols worksheet, here you go: Check out our other chemistry worksheets and handouts, too.

Element Symbols Worksheet – Countries Answer Sheet

This entry was posted on October 9, 2014 by Todd Helmenstine (updated on March 3, 2026)

Color Periodic Table with Atomic Mass — This periodic table trends quiz tests understanding of ionization energy, atomic radius, electron affinity, and electronegativity.

Periodic Table Trends Quiz

This entry was posted on October 9, 2014 by Anne Helmenstine (updated on May 10, 2021)

Hermann Emil Fischer (1852 - 1919) — October 9 is Max von Laue’s birthday. Laue was the German physicist who started the field of x-ray crystallography. Laue investigated the properties of x-rays. X-rays were discovered in 1895 by Wilhelm Conrad Roentgen. They appeared to emanate from a cathode ray tube and interacted with a phosphorescent screen, causing […]

Today In Science History – October 9 – Max Von ... Recently updated !

This entry was posted on October 8, 2014 by Todd Helmenstine (updated on August 15, 2026)

Here is a collection of colorful periodic table element cells. Each one contains the element’s atomic number, symbol and name. Each color represents a different element group. Each image below is a thumbnail of the full image. Click the image below to find the larger version. For our original element […]

Color Periodic Table Element Cells

This entry was posted on October 8, 2014 by Todd Helmenstine (updated on October 8, 2014)

Here is a collection of black and white periodic table element cells. Each one contains the element’s atomic number, symbol and name. Each image below is a thumbnail of the full image. Click the image below to find the larger version. For our original element cell color scheme, check out […]