Name the element showing anomalous behaviour in group 2.

Give reason for anomalous behaviour in group 2.

Accounting from the following : 2nd period elements show anomalous behaviour

The second period elements show anomalous behaviour. a) Give reason. b) What are the anomalous properties of second period elements?

Name the element with atomic number 119.

Give two examples to show the anomalous behaviour of fluorine.

Two students were analysing the electronic configurations of the first 30 elements of the Periodic Table as part of an assignment. They found that two elements showed difference from other twenty eight elements. Why they show this anomalous behavior?

List the elements in group 18