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Question 18N.1.HL.TZ0.40

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.HL.TZ0.40
Level HL Paper 1 Time zone TZ0
Command term Question number 40 Adapted from N/A
40.
[Maximum mark: 1]
18N.1.HL.TZ0.40

A radioactive nuclide is known to have a very long half-life.

Three quantities known for a pure sample of the nuclide are

I.   the activity of the nuclide

II.  the number of nuclide atoms

III. the mass number of the nuclide.

What quantities are required to determine the half-life of the nuclide?

 

A.   I and II only

B.   I and III only

C.   II and III only

D.   I, II and III

[1]

Markscheme

A

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