It shows that gold (all) atoms are made of mostly empty space. The alpha particles go right through because they hit nothing in the atoms which showed Rutherford that atoms are mostly empty space.
According to Avogadro constant 1 mole = 6.02 x 10^23 what about 9.25 x10 ^21
that is 1 mole x ( 9.25 x10 ^21) / (6.02 x10^23) = 0.0154 moles
Answer:
Your answer will be A.
Explanation:
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Answer:
Modern periodic table has eighteen (18) vertical columns. These are called groups