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OpenStudy (ineedhelp10):
Symbol Atomic Number Mass Number Number of Protons Number of Electrons Number of Neutrons Net Charge
195Pt Neutral
16
32
-2
78
119
Neutral
33
30
42
88 38
36
58Co
OpenStudy (ineedhelp10):
@Compassionate Help please?
OpenStudy (ineedhelp10):
@nikato
OpenStudy (ineedhelp10):
@thomaster
OpenStudy (ineedhelp10):
its in a file attached
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OpenStudy (nikato):
Do u have a periodic table with u?
OpenStudy (nikato):
And why didn't u post this in the chemistry section?
OpenStudy (ineedhelp10):
yeah i do
OpenStudy (ineedhelp10):
@nikato
OpenStudy (nikato):
The atomic # of pt would be the whole number above it
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OpenStudy (ineedhelp10):
so the atomic number of pt will be 195? @nikato
OpenStudy (nikato):
No, 195 is the atomic mass. It's the other #
OpenStudy (ineedhelp10):
oh um 78?
OpenStudy (nikato):
Correct
OpenStudy (ineedhelp10):
ok so how will i find the # of protons?
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OpenStudy (anonymous):
In a non isotope, # of electrons = # of protons
OpenStudy (ineedhelp10):
so then how will i find the # of electrons?
OpenStudy (ineedhelp10):
@Luigi0210 Do you mind helping me with this periodic table please?