radioactivity

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  Temps Restant


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462182
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60
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in an uncharged atom, how is the number of protons related to the number of electrons?

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462184
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180
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462186
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60
none
462187
0
60
none
462188
0
60
none
462189
0
60
none
462191
0
60
none
462193
0
60
none
462195
0
120
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462198
0
240
none
462201
0
120
none
462202
0
120
none
462203
0
60
none
462204
0
60
none
462205
0
180
none