1) Thomson's experiment was with cathode ray tubes.
2) Thomson's experiment showed atoms which are negitively charged subatomic particals of matter with electrons.
1) rutherford's experiment was a gold foil experiment.
2) rutherford's experiment showed atoms which are mostly empty ,which are tiny,dense and those atoms were positively charged.
1)valency is the combining capacity of an element /atom.
2)relationship between number of valence electrons and valency :
a) the electron which are in the outer part of the shell of the atom are called valence electrons.
b) valency is the combining capacity of atom to attract the other atoms/elements.
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Answers & Comments
a.what is the difference in the atomic models of Thomson and rutherford?
Thomson's experiment:
1) Thomson's experiment was with cathode ray tubes.
2) Thomson's experiment showed atoms which are negitively charged subatomic particals of matter with electrons.
rutherford's experiment:
1) rutherford's experiment was a gold foil experiment.
2) rutherford's experiment showed atoms which are mostly empty ,which are tiny,dense and those atoms were positively charged.
b)what is meant by valency of an element ? what is the relationship between the number of valence electrons and valency?
1)valency is the combining capacity of an element /atom.
2)relationship between number of valence electrons and valency :
a) the electron which are in the outer part of the shell of the atom are called valence electrons.
b) valency is the combining capacity of atom to attract the other atoms/elements.