Question : Which of the following elements has variable valency?
Option 1: Iron
Option 2: Sodium
Option 3: Sulphur
Option 4: Magnesium
Answer (1)
23rd Jan, 2024
Correct Answer: Iron
Solution : The correct option is Iron.
Elements with variable valency are typically found in transition metals and some non-metals. Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a silvery-grey, lustrous metal with a high melting point. It is known for its magnetic properties. Iron is the fourth most abundant element in the Earth's crust.
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