Question

Use the periodic table to compare the sizes of ionic radii with the corresponding atomic radii or other ionic radii. Choose from smaller and larger in the blanks below

A sodium cation is______ (larger/smaller) than a sodium atom
A phosphorus anion is ________(larger/smaller) than a phosphorus atom
A magnesium ion is_______(larger/smaller) than a sodium ion
A chlorine ion is________(larger/smaller) than a phosphorus ion
A potassium ion is________(larger/smaller) than a sodium ion

Answer 1

A sodium cation is ( SMALLER) than a sodium atom.

A phosphorus anion is (LARGER) than a phosphorus atom.

A magnesium ion is (SMALLER) than a sodium ion.

A chlorine ion is (SMALLER) than a phosphorus ion.

A potassium ion is (LARGER) than a sodium ion.

answers these are correct .