Explain alloy formation in case of transition elements.

1.	Explain alloy formation in case of transition elements.
Answer» i. Alloys are formed by metals whose atomic radii differ by not more than 15% so that the atoms of one metal can easily take up the positions in crystal lattice of the other. ii. The transition metals have similar atomic radii and other characteristics, hence they form alloys very readily. iii. Alloys are generally solid solution which are formed by the cooling of the molten state solution of two or more transition metals. iv. Alloys are generally harder, have high melting points and more resistant to corrosion than the individual metals. v. The metals chromium, vanadium, molybdenum, tungsten and manganese are used in the formation of alloy steels and stainless steels. Ferrous alloys are the most common alloys. vi. Some alloys of transition metals with non-transition metals are also very common. eg. Brass (Cu + Zn) and Bronze (Cu + Sn)

Answer»

i. Alloys are formed by metals whose atomic radii differ by not more than 15% so that the atoms of one metal can easily take up the positions in crystal lattice of the other.

ii. The transition metals have similar atomic radii and other characteristics, hence they form alloys very readily.

iii. Alloys are generally solid solution which are formed by the cooling of the molten state solution of two or more transition metals.

iv. Alloys are generally harder, have high melting points and more resistant to corrosion than the individual metals.

v. The metals chromium, vanadium, molybdenum, tungsten and manganese are used in the formation of alloy steels and stainless steels. Ferrous alloys are the most common alloys.

vi. Some alloys of transition metals with non-transition metals are also very common.

eg. Brass (Cu + Zn) and Bronze (Cu + Sn)

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