A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

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Question 28

Medium

Figure 1 shows two early models of the atom.

Name the models of the atom shown in Figure 1.

Model X
Model Y

[2]

Compare Rutherford's nuclear model (Model Y) with the Bohr model of the atom. Describe the similarities and differences.

[4]

Magnesium has multiple isotopes, including magnesium-24 ( $24Mg^{24}\text{Mg}$ ) and magnesium-26 ( $26Mg^{26}\text{Mg}$ ). Both of these isotopes have an atomic number of 12. Explain why these two atoms are classified as isotopes of magnesium. Refer to subatomic particles in your answer.

[3]

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

Question 28

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes Questions

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

Question 28

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes Questions