Question

which element has 1. two shells both are fully filled. 2. three shell all are fully filled. 3. a total of 3 shells with 3 electrons in the valence shell?​

Answer 1

Answer:

1: neon, 2: argon, 3: aluminium

Explanation:

Answer 2

Here's the answer to your question :

1. Neon

2. Argon

3. Aluminum