An atom of element X contains:
- 5 protons
- 6 neutrons
- 5 electrons
Which statements about element X are correct?
1- X has an atomic number of 6.
2- X has a nucleon number of 11.
3- X is in Group II of the Periodic Table.
4- X is in the second period of the Periodic Table.
1 )
1 and 3
2 )
1 and 4
3 )
2 and 3
2 and 4
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