To which block of the periodic table group `13` belongs.What is the general outer electronic configuration of this group?

Explanation

To determine to which block of the periodic table group 13 belongs and to find its general outer electronic configuration, we can follow these steps:

### Step 1: Identify the Elements in Group 13
Group 13 of the periodic table includes elements such as boron (B), aluminum (Al), gallium (Ga), indium (In), and thallium (Tl).

### Step 2: Determine the Block of the Periodic Table
The block of the periodic table is determined by the subshell in which the last electron is added. For the first two elements of group 13:
- **Boron (B)** has an atomic number of 5. Its electronic configuration is:
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