Question

The periodic table is arranged by various patterns. Is there a pattern with regard to ionic charge? In three to five sentences, explain your reasoning and provide specific examples. As you complete your response keep in mind that not all elements, commonly the Carbon elements within Group 14, form ionic bonds.

Answer 1

Ionic charge increases from left to right in periodic table which results in a decrease in ionic radius.

Ionic charge is the electrical charge of an ion formed when when an atom gains or losses electron.

Metals form ionic charge (cation) by the loss of electron while non-metal form ionic charge (anion) by the gain of electron.

• This ionic charge increases across the group and consequently, results in a decrease of ionic radius.

• When a positive ion (cation) transfers electron to the negative ion (anion) an Ionic bond will be formed.

For example;

• ionic charge of group 1 elements = +1
• ionic charge of group 2 elements = + 2
• ionic charge of group 3 elements = + 3
• ionic charge of group 4 elements (carbon group) = -4 or +4, (they don't usually form ions)
• ionic charge of group 5 elements = -5
• ionic charge of group 6 elements = -6
• ionic charge of group 7 elements = -7

Thus, we can conclude that ionic charge increases from left to right in periodic table which results in a decrease in ionic radius.

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