RRB Technician (Grade I Signal + Grade III) 2026 · Question 239 of 265

If an element forms an ion with a charge of −2, what does this indicate about its valency?

1. AThe element has lost 2 electrons.
2. BThe element has gained 2 electrons.Correct
3. CThe element has 2 electrons in the nucleus.
4. DThe element has gained 2 protons.