Which family is labeled Group 2 and is known for forming +2 ions and giving characteristic flame colours in some simple chemistry demos?
Q1. Which family is labeled Group 2 and is known for forming +2 ions and giving characteristic flame colours in some simple chemistry demos?
Answer: Alkaline earth metals
Explanation: Group 2 elements — beryllium, magnesium, calcium, strontium, barium, and radium — are called the alkaline earth metals because they form alkaline (basic) oxides and hydroxides, and many occur naturally in the earth as minerals.