Question 16

three transition elements in group 12 of the periodic table are

a)iron, nickel, and cobalt

b)mercury, zinc, and cadmium

c)copper, silver, and gold

d)neon, helium, and xenon

Cadmium, Zinc, and Mercury are the three transition elements from the periodic table in group 12.

Option: B

Explanation:

Periodic table consists of all chemical elements in a tabular form which are arranged according to electronic configuration, atomic number and chemical properties. Every chemical elements are divided into groups have same chemical behaviours.

Both non-metals and metals are included in periodic table which are again divided into different group of elements. From those transition elements are the elements have half-filled f or d subshell.

These transition elements consists of groups from 3 to 12. In group 12 Mercury, Zinc, and Cadmium are the transition elements.  

c

explanation:

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