The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Scientists have discovered a new way of creating superheavy elements by firing supercharged ion beams at dense atoms. The ...

For example, calcium and phosphorus form a strong foundation for our bones and teeth, while potassium ... elements to function properly. These are almost one-quarter of the periodic table and ...

They include lithium, sodium and potassium, and are placed in the first vertical column on the left of the periodic table. All the Group 1 elements are very reactive, and all react with water to ...

Players read questions about energy levels and score points by picking the correct element as the answer ... the next electron goes into the fourth level. 4th Period: Potassium and Calcium—Electrons ...