Name
two elements that have two electrons in their outermost shells.

Explanation

To answer the question of naming two elements that have two electrons in their outermost shells, we can follow these steps:

### Step 1: Understand Electron Configuration
The outermost shell of an atom is known as the valence shell, and the number of electrons in this shell determines the chemical properties of the element. Elements with two electrons in their outermost shell belong to Group 2 of the periodic table, also known as the alkaline earth metals.

### Step 2: Identify the Elements
1. **Beryllium (Be)**:
- Atomic number: 4
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