what ion is formed when an atom of mercury (hg) loses two electrons?\n○ hg⁻¹\n○ hg⁻²\n○ hg⁺¹\n○ hg⁺²

what ion is formed when an atom of mercury (hg) loses two electrons?\n○ hg⁻¹\n○ hg⁻²\n○ hg⁺¹\n○ hg⁺²

what ion is formed when an atom of mercury (hg) loses two electrons?\n○ hg⁻¹\n○ hg⁻²\n○ hg⁺¹\n○ hg⁺²

Answer

Answer:

D. Hg²⁺

Explanation:

Step1: Understand electron - loss concept

When an atom loses electrons, it forms a cation.

Step2: Analyze mercury's electron - loss

Mercury (Hg) loses 2 electrons. Each electron has a negative charge, so losing 2 electrons results in a + 2 charge. The symbol for the mercury ion with a + 2 charge is Hg²⁺.