These elements tend to come from two specific areas of the periodic table: the d-block metals like cobalt, nickel, and iron, and the f-block actinides lanthanides, which include the rare-earth ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site ...

mass number = protons + neutrons. Name the first 20 elements. The first 20 elements of the periodic table are as follows: H – Hydrogen, He – Helium, Li – Lithium, Be – Beryllium ...

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 ...

The elements were placed in the periodic table’s seventh row, which is above the row of lanthanides ... They bombarded a heavy target of lead or bismuth nuclei with heavy ions of iron or nickel that ...

“The periodic table is something fundamental ... superheavy elements is to look for them in space. The elements heavier than iron (atomic number 26) form in nature through a process called ...

The elements of the periodic table are defined by the number of protons ... the Bronze Age, the Iron Age, into the current Silicon Age. And new artificial elements have proved invaluable.

Hauntingly beautiful melodies aren't the first things that come to mind when looking at the periodic table of the elements. However, using a technique called ... Graphene, or a single layer of ...

This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...