The type of chemical bonding formed between the elements with atomic numbers 20 and 17

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Solution

Atomic number 20 is Ca and 17 is Cl
Ca is a metal and Cl is a non metal. Ionic bonding occurs between a metal and a non metal and hence CaCl2 has ionic bond

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The type of chemical bonding formed between the elements with atomic numbers 20 and 17

Atomic number 20 is Ca and 17 is Cl Ca is a metal and Cl is a non metal. Ionic bonding occurs between a metal and a non metal and hence CaCl2 has ionic bond

Atomic number 20 is Ca and 17 is Cl
Ca is a metal and Cl is a non metal. Ionic bonding occurs between a metal and a non metal and hence CaCl2 has ionic bond