Question

Which of the following best describes what happens when an aluminum atom forms an aluminum ion?1. 3 protons are lost2. 3 electrons are lost3. 2 protons are lost and 3 electrons are gained4. 2 protons are lost5. 2 clectrons are lost

Answer 1

`2:\text{ 3 electrons are lost}`

Step-by-step explanation:

Here, we want to describe what happens to an aluminum atom when an aluminum ion is formed

The aluminum atom has 3 valence electrons

To form an ion, like other metals, it has to lose these electrons

By losing these electrons, it is able to form an ion

Hence, an aluminum ion is formed when an aluminum atom loses 3 valence electrons