CHEMISTRY SS3 NUCLEAR CHEMISTRY 2 QUIZ

Which of the following processes is used in food preservation in an industry?

Which of the following pollutants is associated with genetic mutation?

Which of the following features of a human skeleton can be detected by carbon dating?

Which of the following is true of radioactivity?

(I) It involves the transformation of a nuclear into another nucleus

(II) it gives out radiation

(III) energy

(IV) the rate of radioactive decay is not affected by temperature and pressure

The half-life of an element Z is 10 days.  If there are 10g of z initially, what will be its mass after 40 days?

A radioactive element has a half-life of 4 days.  The fraction that has decayed in 16 days is ____

Two radioactive elements Q and S have half-lives of 10 hours and 20 hours respectively.  Therefore.

radioactive solid is best stored

When a sheet of paper is placed in the path of a radioactive source, the radiation emitted, which passes through the paper consists of ____

One of the properties of gamma rays is that they are