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

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Question 41

Medium

Figure 1 shows two early models of the atom.

Figure 1: Two models of the atom, labelled Model A and Model B.

Name the models of the atom shown in Figure 1.

Model A
Model B

[2]

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

[4]

Nitrogen has two stable isotopes: nitrogen-14 ( $14N^{14}\text{N}$ ) and nitrogen-15 ( $15N^{15}\text{N}$ ). Both isotopes have the atomic number 7. Explain why these two atoms are classified as isotopes of nitrogen. Refer to subatomic particles in your answer.

[3]

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

Question 41

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 41

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