An element A has atomic number 14. To which period does this element belong and how many elements are there in that period?

Explanation

To solve the question regarding the element A with atomic number 14, we will follow these steps:

### Step 1: Identify the Atomic Number
The atomic number of the element A is given as 14.

### Step 2: Determine the Electron Configuration
To find out the period of the element, we need to write its electron configuration. The atomic number indicates the number of electrons in a neutral atom.

...