Answer to Question #82983 in General Chemistry for wardhere

Question

1. on what basis is carbon placed in 2nd and 4th group of the periodic table
2.on what basis is argon given its position in the periodic table
3.what causes the change in ionic radius from left to right across period 2 of the periodic table
4. what causes the changes in ionisation energy across period 2 elements
5. explain the solublity trend of NaF, NaCL , NaBr , NaI in water