Tagged: The blocks

January 19, 2017

C programming language features, advantages and disadvantages

C language is highly portable language, So, C programs that written for one computer can easily run on another computer without any change or by doing a little change, It has a variety of...

The Matter

November 2, 2014

The description of the modern periodic table, Why is the modern periodic table important?

The modern periodic table consists of 7 horizontal periods and 16 vertical groups (18 vertical columns). The elements of the modern periodic table are classified into 4 blocks (s, p, d, and f).