Group 2 contains how many elements?

এই অধ্যায়ের আরও প্রশ্ন

• C-04-Q035Group 3 (including lanthanide and actinide series) contains how many elements?
• C-04-Q036Each of the groups 4 to 12 contains how many elements?
• C-04-Q037Each of groups 13 to 17 contains how many elements?
• C-04-Q038Group 18 contains how many elements?
• C-04-Q039Lanthanide elements have atomic numbers ranging from—
• C-04-Q040Actinide elements have atomic numbers ranging from—
• C-04-Q041The number of lanthanide elements is—
• C-04-Q042The number of actinide elements is—
• C-04-Q043Properties of elements within the same period—