Answer:
The correct answer would be - strontium, magnesium, beryllium.
Explanation:
As we know that the number of the same valence electrons is most likely to exhibit similar physical and chemical properties so the elements of the particular group in the periodic table have a similar number of physical and chemical properties and a similar number of the valence electrons.
For example, group 2 elements are known as alkaline earth metals, and strontium, magnesium, beryllium, and calcium are the same group elements thus, they have the same chemical and physical properties as they have 2 valence electrons.
Answer: The three given indicators can be used for testing whether the given solution is acidic, basic or neutral.
Phenolpthalein: It shows fuchsia color if the solution is basic in nature and remains colorless if the solution is acidic in nature.
Bromophenol blue : It shows yellow color in acidic solution and purple color in basic solution.
Methyl red: It is red in acidic solution and yellow in basic solution.
If the solution is neither acidic nor basic then definitely it is neutral.
<span>a. Species P and Q are equally related to species T</span>
