The type of bond between atoms of calcium in a crystal of calcium is:
A
Hydrogen bond
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B
Ionic bond
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C
Polar covalent bond
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D
Pure covalent bond
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E
Metallic bond
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Solution
The correct option is D Metallic bond The type of bond between atoms of calcium in a crystal of calcium is Metallic bond. Metallic solids are the crystalline solids formed by atoms of the same metallic element. The bonding electrons are delocalised over entire crystal lattice and can move freely from one end to other. These bonding electrons forms sea of electrons whereas metal ions form a kernel. Metallic bond is the electrostatic attractive force between positively charged metallic ions and negatively charged delocalised electrons.