Q: The scientist who suggested that an atom can be compared to a raisin bun?
A: (b) JJ Thomson
Q: Which if the following statements best describe the proton?
A: (a) it has a positive charge and relative mass, is located in the nucleus
Q: this is similar to electon or neutrons with what difference?
A: neutrons but they are neutral
Q: which of the following statements best describe the electron?
A: (c) it has a negative and is located in irvit about the nucleus.
The chemical family which has 2 electrons in its outer shell is called?
A: (b) the alkaline earth metals
The chemical family which has 7 electrons in its outer shell is called?
A: (c) the halogens.
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