Ght
#of
# of
Element
symbol
| # of
neutron
Atomic
mass
proton
electron
or
s
Co
A
B
49
C
27
D
73
31
G
H
58
115
181
|
Ba-2
137
16
18
16

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98