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Evaluation

Cloze Activity

Read the paragraph below and fill in the missing words.

semiconductor is obtained by an intrinsic semiconductor with a trivalent atom ,while  by doping with a pentavalent atom. instrinc semiconductor conduct by and  while extrinsic is by electrons and

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Scrambled List

Cick on the up and down buttons to move words that will make sense of the statement.

  • Radioactivity
  • is
  • the
  • spontaneous
  • decay
  • of
  • an
  • unstable
  • nuclide

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True-False Question

Select one of the options provided.

Question 1

  1. A nuclide is said to be stable if its neutron: proton ratio is equal to one (n/p = 1).

Question 2

2. The following is a beta decay

238  92 U                  ->      23088 Ra       +       2 42He 2+

SCORM Quiz

Question

1. What for of decay is exhibited by the following nuclear equation?

234 90 Th               ->       y91 Pa                   +       0 -1e

Answers

Alpha

Beta

Gamma

None of the above

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