Question

Hydrogen could not be placed at a definite place in periodic table

Answer 1

Answer:

Explanation:

• this is so because hydrogen is matched with both the 1st group elements and the 17th group elements in terms of properties.
• it contains 1 electron in its outermost shell . its outermost electron rests in s orbital. it shows reducing properties. so it is similar to 1st group elements.
• it gets stable in diatomic form. it is a non metal . so it shows similar properties with 17th group elements.