What type of elements do form saline hydrides ?

Explanation

To determine what type of elements form saline hydrides, we can follow these steps:

### Step 1: Understand the Definition of Saline Hydrides
Saline hydrides, also known as ionic hydrides, are compounds formed between hydrogen and certain metals. The term "saline" refers to the ionic nature of these compounds.

**Hint:** Remember that saline hydrides are ionic compounds, which means they consist of positively charged metal ions and negatively charged hydride ions (H⁻).

### Step 2: Identify the Types of Metals Involved
...