📝 Multiple Choice Question
General-science
Identify an element that does NOT belong to period 4.
A
Zinc
B
Potassium
C
Calcium
D
Lithium
Explanation
Period 4 of the periodic table includes prominent elements ranging from Potassium (K) through Krypton (Kr), characterized by the active filling of the fourth principal energy shell. Lithium (Li) does not belong because it is a much lighter alkali metal firmly located in Period 2.
Report Issue
Discussion (0 Comments)
Leave a Comment
No comments yet. Be the first to comment!
📌 Related Questions
Which gas is used for artificial ripening of green fruits?...
Solve →What is the IUPAC name of tertiarybutyl alcohol?...
Solve →What is the chemical reaction that occurs when fats or oils combine wi...
Solve →In which of the following years did Antoine Lavoisier discover the law...
Solve →Which white powder, ubiquitous in modern kitchens, combines with acid ...
Solve →