Lesson 4 - True or False

All transition metals exist in the form of solid at room conditions.

• True

• False

• Not mentioned

Transition metals in the form of compounds can be found in the organism.

• True

• False

• Not mentioned

The vital protein consists of different elements including some transition elements such as nickel and zinc.

• Not mentioned

• False

• True

A transition metal is an element containing d sub-shell.

• Not mentioned

• True

• False

Iron is not stable in the air because the iron oxide can be peeled off easily.

• True

• Not mentioned

• False

Some transition metals, such as platinum and palladium, are stable due to the formation of the oxide layer which adheres tightly to the metallic surface.

• True

• False

• Not mentioned

Complexes in human body containing iron, carry oxygen from the lung to different places of body.

• True

• Not mentioned

• False

Most of d-block elements have more than one oxidation state because these elements have several outermost electrons.

• True

• False

• Not mentioned

Complexes are compounds in which a metal as a central atom is bonded to anions or neutral molecules.

• False

• True

• Not mentioned

The elements from scandium through zinc are the most important due to their low cost and abundance in nature.

• True

• False

• Not mentioned