Question

Draw the atomic structure and write the symbol, atomic number, any one property & any one use of

the element ‘Niobium
​

Answer 1

Dubnium is a synthetic chemical element with the symbol Db and atomic number 105. Dubnium is highly radioactive: the most stable known isotope, dubnium-268, has a half-life of about 28 hours. This greatly limits the extent of research on dubnium.

Explanation:

sorry I didn't draw