# data[].attributes.body
Fe2+ to Fe3+ the colour change

# data[].attributes.headline
Electronic configuration of positive and negative ion in transition element

# data[].attributes.subject
Electronic configuration of positive and negative ion in transition element

# data[].attributes.body
Question

# data[].attributes.body
Forming of anions of chlorine and sulphur

# data[].attributes.body
Magnesium losing its electrons

# data[].attributes.headline
Q1 - Principle energy levels vs Number of orbitals

# data[].attributes.subject
Q1 - Principle energy levels vs Number of orbitals

# data[].attributes.body
Example of a cation losing its electron

# data[].attributes.body
Valence electron

# data[].attributes.headline
5.Identification of group and periods from electronic configuration 

# data[].attributes.subject
5.Identification of group and periods from electronic configuration 

# data[].attributes.body
Elements are placed into their group based on their number of shells and the period based on the sub shell which is partially filled

# data[].attributes.headline
Example for electronic configuration of positive and negative ion 

# data[].attributes.subject
Example for electronic configuration of positive and negative ion 

# data[].attributes.body
Q6

# data[].attributes.body
??what is this?