Write the SI unit of luminous intensity and the amount of substance.

Explanation

To answer the question regarding the SI unit of luminous intensity and the amount of substance, we can break it down into the following steps:

### Step 1: Identify the SI unit of luminous intensity
- The SI unit of luminous intensity is defined as **candela**.
- It is denoted by the symbol **cd**.

### Step 2: Identify the SI unit of the amount of substance
- The SI unit of the amount of substance is defined as **mole**.
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