Scientists review the work of other scientists to validate the results and check the evidence's reliability. The correct option among all the options that are given in the question is the fourth option or the last option or option "D". I hope that this is the answer that has come to your desired help.
Hydrogen is a very reactive gas, and the alkali metals are even more reactive. In fact, they are the most reactive metals and, along with the elements in group 17, are the most reactive of all elements.
Answer:
168 200 15 1.3 2.3 5.4 6.5 67 percent positive that it is 1117
It is said to be moving in uniform CIRCULAR motion. Hope this helps. Thanks