Module III Flashcards
(25 cards)
1
Q
What was Rutherford’s main contribution to the study of atomic structure?
A
the discovery that atoms contain a positively charged nucleus much smaller than the actual atom.
2
Q
What do we call the experimental apparatus that William Crookes used in his experiments, and what did he discover with it?
A
The cathode ray tube
3
Q
If 2 electrically charged particles repel one another, what can we conclude about their charges?
A
two positive charges repel each other
4
Q
If a substance has 9 positive charges and 11 negative charges, is it positively charged, negatively charged or neutral?
A
Since it has more negative charges, it will be negatively charge
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