Question

among the metal calcium ,magnesium, zinc, & copper, the ability of one to displace the other decerases in order
1) cu > zn > mg >ca
2) ca> zn> cu >mg
3) zn> mg> cu> ca
4 ca > mg> zn >cu​

Answer 1

Answer:

4)

Explanation:

Ca>mg>zn>cu. as the Calcium is first atomic radii

Answer 2

ca>mg>zn>cu

Explanation:

in order of chemical series these decrease.from going cu to ca