What is the atomic number of Samarium?
...What is the atomic number of Samarium?
390
62
101
500
Correct answer is B
No explanation has been provided for this answer.
Which of the following gases is light than air?...
Which of the following standard conditions is not correct about energy changes? ...
The main active constituent of tea and coffee is ...
A mixture of iodine and sulphur crystals can be separated by treatment with? ...
A common characteristic between zinc and the other transition elements is the ability to ...
How many structural isomers can be written for the alkyl bromide, C4H9Br?...