A good indicator that a reaction is a single replacement reaction is if you have a single element and a compound on one side of the arrow, and a single element and a compound on the other side of the arrow as well. Select one:
True
False

i believe the answer is 5,000

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.