
Metallic bonds are formed by the transfer of electrons while ionic bonds are formed between two metal atoms.

Important Questions on Model

Complete the blanks using appropriate word given in the box only.
Bronze | Magnesium | Carbon | Bell metal | Brass |
Copper | Sodium | Silver | Zinc | Mercury |
An alloy of copper used in electrical appliances is _____.








Bronze | Magnesium | Carbon | Bell metal | Brass |
Copper | Sodium | Silver | Zinc | Mercury |



Complete the blanks using appropriate word given in the box only.
Bronze | Magnesium | Carbon | Bell metal | Brass |
Copper | Sodium | Silver | Zinc | Mercury |
The metals zinc and tin is present in _____



Complete the blank using the appropriate word given in the box only.
Amalgam | Magnesium | Carbon | Bell metal | Lead |
Copper | Sodium | Silver | Zinc | Mercury |



Bronze | Magnesium | Carbon | Bell metal | Brass |
Copper | Sodium | Silver | Zinc | Mercury |

Chromium is mixed with iron to form stainless steel. An iron door knocker gets rusty, but a stainless steel glass never rusts. Thus, if chromium is added to iron, iron's capacity to undergo chemical reaction _____.
Word list: stronger, weight, decreases.
