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OpenStudy (anonymous):
Which of the following was discovered first? A. the electron B. the neutron C. the proton D. the periodic table E. atomic number
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OpenStudy (anonymous):
Please anyone help!
OpenStudy (chmvijay):
its periodic table!!!100%
OpenStudy (anonymous):
@chmvijay Are you sure?
OpenStudy (anonymous):
btw, thanks
OpenStudy (chmvijay):
yaaa It is one of miracle in the chemistry field That before the discovery of Prton electron and neutron the periodic table was established by the Russian scientist Dei Metri Mendeleev!!!yaa i am sure !!!
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OpenStudy (anonymous):
Ok thankyou very very much!
OpenStudy (chmvijay):
ur welcome
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