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Question 19M.2.SL.TZ1.2a.i

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Date May 2019 Marks available [Maximum mark: 2] Reference code 19M.2.SL.TZ1.2a.i
Level SL Paper 2 Time zone TZ1
Command term Write down Question number a.i Adapted from N/A
a.i.
[Maximum mark: 2]
19M.2.SL.TZ1.2a.i

Silicon-30  ( 14 30 Si) can be formed from phosphorus-30 ( 15 30 P) by a process of beta-plus decay.

(a.i)

Write down the nuclear equation that represents this reaction.

[2]

Markscheme

15 30 P → ( 14 30 Si)  ✔

 +  + 1 0 e + v e  ✔

 

Subscript on neutrino not necessary to award MP2.

Allow the use of β for e.

Do not allow an anti-neutrino for MP2.

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