Andrew Marr explores the development and deployment of the first atomic bomb. He describes the ... This clip will be relevant for teaching History at KS3 and KS4/GCSE in England, Wales, Northern ...

There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of ...

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 ...

These can be divided by name and recycling symbol number into different groups ... These clips will be relevant for teaching Chemistry at KS3 and GCSE/KS4 in England, Wales and Northern Ireland ...

A team of scientists set out to probe some of the heaviest elements in the periodic table using an advanced form of laser ...

It is the principle strengthening element in carbon steels and low-alloy steels. Atomic number 6, atomic weight 12.01115. Manganese (Mn): Manganese is a brittle, metallic element that exists in ...

It arranges all natural and synthetic elements by their atomic number , ranging from 1 to 118, grouping them by elements that look or behave similarly, such as metals or gases, while also giving each ...

The periodic table was arranged by atomic mass, and this nearly always gives the same order as the atomic number. However, there were some exceptions (like iodine and tellurium, see above), which didn ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Silicon is a semiconductor in group IVA of the periodic table with atomic number 14, an atomic weight of 28.086, and a density of 2.33 Mg/m 3. It melts at 1410 C. The electronic configuration of the ...

Aluminum is a metal in group IIIA of the periodic table with atomic number 13, an atomic weight of 26.982, and a density of 2.70. It has a melting temperature of 660 C. The electronic configuration of ...

Advancements in nuclear physics suggest the possibility of discovering stable, superheavy elements. Researchers have found an ...