This central charge would thus be approximately half the atomic weight (though it was almost 25% different from the atomic number of gold , ), the single element from which Rutherford made his guess).
ðɪs sˈɛntɹəl tʃˈɑːɹdʒ wʊd ðˈʌs biː ɐpɹˈɑːksɪmətli hˈæf ðɪ ɐtˈɑːmɪk wˈeɪt ðˌoʊ ɪt wʌz ˈɔːlmoʊst twˈɛnti fˈaɪv pɚsˈɛnt dˈɪfɹənt fɹʌmðɪ ɐtˈɑːmɪk nˈʌmbɚɹ ʌv ɡˈoʊld ,, ðə sˈɪŋɡəl ˈɛlɪmənt fɹʌm wˈɪtʃ ɹˈʌðɚfɚd mˌeɪd hɪz ɡˈɛs.