sss EXAM CORNER 1. What are the elements of the lanthanide and actinide series collectively known as? 2. Name the element in the 2nd period and 13 group. 3. Why do all the elements in a group have similar properties? PREVIOUS YEAR QUESTION
Answers
Answered by
1
Answer: Here are all the answers by the way I am in 7th and I can answer this so you can too just learn it.
Explanation:
1)The lanthanides and actinides together are sometimes called the inner transition elements.
2)The element in second period of group 13 is boron.
3)Each element within a group has similar physical or chemical properties because of its atom's outermost electron shell.
Similar questions