Seudónimo Seudónimo

24-09-2020
Chemistry

contestada

235
92
U +
1
0
n →
90
36
Kr +
A
56
Ba + 3
1
0
n

Respuesta :

choceur choceur

16-10-2020

Answer:

A= 143 B=146 C=56

Answer Link

g111319 g111319

28-12-2020

Answer:

A = 143

B = 146

C = 56

Explanation:

Just did this on EDGE 2020

Hope this helps :)

Answer Link

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