1 markAtomic Structure and the Periodic Table

CAPE Chemistry Unit 1 · 2010 · Paper 2 · Question 4(b)(iii)

216Po decays by emitting β particles.

Comment on the effect that the decay has on the stability of the nucleus of 216Po.

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Other parts of this question

4(a)Copy and complete Table 3, which provides information on the properties of the simple subatomic particles.[4 marks]
4(b)(i)Name the type of radioactive particle that behaves in the same way as the electron.[1 mark]
4(b)(ii)State the product formed from the decay of 216Po by the emission of three β particles and calculate the n/p ratio of BOTH the reactant and product atoms.[6 marks]
4(c)(i)Draw the structures of the atomic orbitals of principal quantum number 2. Include x, y and z axes in the drawing.[2 marks]
4(c)(ii)Using s, p, d notation, write the electronic configuration of 24Cr.[1 mark]

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