Periodic Table Answers

Elements in group 2 are all called alkaline earth metals. What is most similar about the alkaline earth metals?

How many groups are in the modern periodic table?

Based on the information in the table, which two elements are most likely in the same group, and why?

This is how krypton appears in the periodic table.

Dmitri Mendeleev and Henry Moseley developed their periodic tables about forty years apart. During that time, many discoveries in chemistry were made.

While looking at calcium (Ca) on the periodic table, a student needs to find an element with a greater atomic mass in the same period. Where should the student look?

The element phosphorus is located to the right of the element magnesium along the same period in the periodic table.Which best describes the relationship of the elements?

This is how zirconium appears in the periodic table.

In an element’s square on the periodic table, the number with the greatest numerical value represents the

This is how fluorine appears in the periodic table.