How many grams of zinc (Zn) will be formed if 23.4 grams of copper (Cu) reacts with zinc nitrate (Zn(NO3)2)?

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8

answer seismograph;

answersilicon (si); oxygen (o);