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The given table shows the number of elec...

The given table shows the number of electrons, neutrons and protons in some atoms or ions of elements:

Which of the following statements is incorrect?

A

P is a cation while R is an anion.

B

Q and T are atoms of different elements.

C

S has a nucleon number 20 and it is a noble gas.

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
B
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