they form 1+ and 2+ cations not negative
They are VERY reactive
alkali metals have full valence shells
alkali metals form 1- cations
alkali metals are very reactive
alkali metals form 2- cations
please help
They are VERY reactive
1. Alkali metals have full valence shells: This statement is false. Alkali metals have one valence electron, which means their valence shells are not full.
2. Alkali metals form 1+ cations: This statement is true. Alkali metals have a tendency to lose their single valence electron to achieve a stable electron configuration similar to the nearest noble gas. As a result, they form cations with a +1 charge.
3. Alkali metals are very reactive: This statement is true. Alkali metals are highly reactive due to the low ionization energy required to remove their valence electron. They readily react with water, oxygen, and other elements to form compounds.
4. Alkali metals form 2+ cations: This statement is false. Alkali metals actually form 1+ cations by losing their single valence electron.
Therefore, the correct statement is: "Alkali metals form 1+ cations."