Chemistry 0620 · IGCSE · Atomic structure and the Periodic Table

Atomic structure and the Periodic Table — practice question

The table presents data on five particles. Every particle is either an atom or an ion. Use the information in the table to answer the questions below. Each particle can be chosen once, more than once, or not chosen at all.
(a(i))[1]

Of A, B, C, D and E, which particle is an atom with atomic number 12?

(a(ii))[1]

Of A, B, C, D or E, which particle is an atom with nucleon number 14?

(a(iii))[1]

Of A, B, C, D or E, which particle is a positively charged ion?

(a(iv))[1]

Of A, B, C, D or E, which particle has just one electron in its outer shell?

(b)[2]

Identify the element and give the formula for D.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Answer: particle B” …

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