NaOH but you didnt give options
Based on the periodic table, the element mendeleev called eka-manganese is now called technetium. Technetium<span> is a silvery-gray metal that tarnishes slowly in moist air. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
Answer: when two elements combine, A and B, the ratio of the weight of B combining with A is always a whole number
Explanation:
What volume of 2.50 m lead ll nitrato