What is the atomic number of Ytterbium?
...What is the atomic number of Ytterbium?
65
98
46
70
Correct answer is D
No explanation has been provided for this answer.
Sieving is a technique used to separate mixture containing solid particles of ...
What is the atomic number of Helium? ...
In the oil drop experiment, Millikan determined the? ...
Bleaching powder, CaOCI2, H2O, deteriorates on exposure to air because...
The following substances are heavy chemicals except ...
Which of these metals, Mg, Fe, Pb and Cu will dissolve in dilute HCI? ...
Which of the following is not a direct petroleum product? ...