Which element is generally No Radioactive?
View Answer Report Error Discuss
............ element is represented by the given symbol.
Process of loosing electrons is known as _____.
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 3rd group and the 4th period?
Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in
By which of the following processes are metals of high reactivity extracted from purified molten ore?
Which of the following is the best fire-extinguisher?