We know that density = mass /volume
so
mass=volume*density
volume=mass/density
so c is wrong
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>
The answer is D . I hope this help you :) .
Appropriate units for the speed of a chemical reaction, the reaction rate, are M/s
