Answer is: A) Sr (strontium).
The reactivity series<span> is a series of metals from highest to lowest reactivity.</span><span> Metal higher in the reactivity series will displace another.
</span>Strontium is only higher in this group from magnesium. Strontium is stronger reducing agent than magnesium, gives electrons easier.
It's like saying that if 1 meter is equal to 100 cm,
or
You can base the answers from the chart
Reactant concentration, the physical state of the reactants, and surface area, temperature.
Hi, I think the rocks that are cooled and solidified above ground are most commonly basalt.
Hope I helped a bit!
