![Educaplus: Calculador De Masas Molares [In Spanish] Activity](https://content.lessonplanet.com/knovation/original/180042-5778dfd59c581436f1a40ba577ad67d7.jpg?1661810973 "Educaplus: Calculador De Masas Molares [In Spanish] Activity")
Educaplus (Jesús Peñas Cano)
Educaplus: Calculador De Masas Molares [In Spanish]
Calculate the molar mass and the centesimal composition of chemical substances with this interactive calculator.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Silver
This site provides elemental information which may not be found in many other sites. Here you can find historical information, common uses and even the approximate going price for a gram of the element.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Abbreviated Electron Configurations
Test your electron-configuration skills in this animated exercise. Practice writing the abbreviated configurations for some of the common elements on the periodic table.
CK-12 Foundation
Ck 12: Physical Science: Valence Electrons
[Free Registration/Login may be required to access all resource tools.] Valence electrons, their variation in the periodic table and relation to reactivity and electrical conductivity of elements.
Sophia Learning
Sophia: Identifying Valence Electrons: Lesson 3
This lesson will explain how to identify the number of valence electrons an element has based on its position on the periodic table. It is 3 of 3 in the series titled "Identifying Valence Electrons."
Sophia Learning
Sophia: Writing Electron Configurations: Lesson 3
This lesson will demonstrate how to write the electron configurations for any element given its location on the periodic table. It is 3 of 3 in the series titled "Writing Electron Configurations."
Sophia Learning
Sophia: Periodic Trends: Atomic Radius: Lesson 1
This lesson will explain how the atomic radius changes over representative elements across rows and up and down columns on the periodic table. It is 1 of 3 in the series titled "Periodic Trends: Atomic Radius."
Sophia Learning
Sophia: Periodic Trends: Electron Affinity: Lesson 3
This lesson will explain how the electron affinity changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Periodic Trends: Electron Affinity."
Science Education Resource Center at Carleton College
Serc: Modeling Valence Electrons
In this activity, students use a map of electron configuration and bingo chips to configure electrons for elements that are given on a problem card. Students will see patterns of elements and their valence electrons in relation to the...
Wikimedia
Wikipedia: Atomic Number
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
Sophia Learning
Sophia: Chemical Reactions: Lesson 9
This lesson will present a basic understanding of the periodic chart of elements and how to predict chemical reactions based on given information. It is 9 of 9 in the series titled "Chemical Reactions."
Texas Instruments
Texas Instruments: Intro to Chemistry
This StudyCards stack enables students to review the vocabulary terms encountered in an introductory chemistry class.
Physics Hypertextbook
The Physics Hypertextbook: Nucleosynthesis
Understand the process of nucleosynthesis, and how the elements formed in the creation of the universe.
NASA
Nasa: Cosmicopia: Nucleosynthesis
NASA's Cosmicopia illustrates the process of element creation in the universe.
Sophia Learning
Sophia: Valence Electrons
During this exercise, practice finding the number of valence electrons in an element. [1:22]
ArtLex
Art Lex: Silver
This site provides numerous examples, and images, of artwork done in silver. Excellent images of ancient works of art.
Curated OER
Effective Nuclear Charge Periodic Trends
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses the properties of the atoms individually in relation to the main group elements of the Periodic Table.
Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Indium
This site provides a fact sheet with information on the basic data and properties of Indium. It also includes some of its uses.
Wikimedia
Wikipedia: Dmitri Mendeleev
This biography on scientist Dmitri Mendeleev details his childhood, gives information on his scientific studies, and discusses his formal presentation made to the Russian Chemical Society in which he detailed his findings on elements.
Simon Fraser University
Chem1 Virtual Textbook: Electronegativity
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses shared chemical bonds between two elements resulting in electronegative and electropositive outcomes.
Upper Canada District School Board
Tom Stretton's Chemistry Pages: Ionization Potential and Electronegativity
Deepen your understanding of ionization potential and electronegativity in this illustrated presentation.
Sophia Learning
Sophia: Atomic Mass: Lesson 1
This lesson explains what is represented by the atomic mass, and how it varies from one element to the next. It is 1 of 4 in the series titled "Atomic Mass."
State University of New York
State University of New York: Atomic Electron Configuration
This simulation displays the electron configurations of for the elements in relation to the element's position on the periodic table.
State University of New York
State University of New York: Electron Configuration of Ions
The following simulation displays electron configurations for elements in relation in relation to the element's position on the periodic table.