How can a scientist assess whether a pure niobium (Nb) sample is responsible for contaminating the lab with radioactivity?
Test the niobium sample to see whether it now contains other elements.
Test the niobium sample for the presence of niobium oxide compounds.
Heat the niobium, and see if the level of radioactivity in the lab increases.
Place the niobium under pressure, and see if the level of radioactivity in the lab increases.

Question

16-01-2015
Chemistry

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How can a scientist assess whether a pure niobium (Nb) sample is responsible for contaminating the lab with radioactivity?
Test the niobium sample to see whether it now contains other elements.
Test the niobium sample for the presence of niobium oxide compounds.
Heat the niobium, and see if the level of radioactivity in the lab increases.
Place the niobium under pressure, and see if the level of radioactivity in the lab increases.

Sagot :

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diene diene · Answer 1 · 2015-01-16T23:24:38-05:00

diene diene

16-01-2015

Test the niobium sample to see whether it now contains other elements.
The 2nd choice doesn't work because niobium oxides aren't radioactive (unless the niobium itself was radioactive, but you can't tell with this method).
The last 2 choices don't work because temperature and pressure don't affect the rate of decay.

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topeadeniran2 topeadeniran2 · Answer 2 · 2022-07-06T05:30:16-04:00

A scientist can assess whether a pure niobium (Nb) sample is responsible for contaminating the lab with radioactivity by A. Testing the niobium sample to see whether it now contains other elements.

What is radioactivity?

It should be noted that radioactivity simply means the natural process through which atoms disintegrate.

In this case, the scientist can assess whether a pure niobium (Nb) sample is responsible for contaminating the lab with radioactivity by testing the niobium sample to see whether it now contains other elements.

Learn more about radiation on:

brainly.com/question/24469662

#SPJ6

Sagot :

What is radioactivity?

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