Which of the following equations is not correct because is violates the law of the conservation of mass. o 2KCIO3
2KCI + O2
o 2 Na + 2 H2O 2NaOH + H2
o Zn + 2HCI ZnCl2 + Hz
o 4Fe + 302
2Fe2O3

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

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101