News

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...
is the fundamental property that determines an element's position in the periodic table, rather than its atomic mass. Here ...
An alternative periodic table of elements focusing on highly charged ions reveals new science that could support the quest ...
Chemists use symbols and formulae to represent elements and compounds ... can be calculated from the atom's atomic number and mass number. The periodic table - AQA Mendeleev made an early periodic ...
The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri ...
This puzzle shows many of the elements used to make transistors. The finished puzzle is a section of the periodic table, so the numbers on each tile are their atomic numbers - that means they ...
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 ...
Chemists use symbols and formulae to represent elements and compounds ... an atom can be calculated from its atomic number and mass number. The periodic table - AQA Mendeleev made an early ...