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?
View Answer Report Error Discuss
Chromite is an ore/mineral of
When was the Arya Samaj divided on principles?
The longitudes of main land of India extends between __________.
The unit of measurement of noise is
Selling cost have to be incurred in case of
Name the first country that has banned Pokemon Go.
On which network was first SMS sent?