Fewpal
+1 vote
453 views
in Chemistry by (29.7k points)

Predict the formula of the stable binary compounds that would be formed by the combination of the following pairs of elements. 

(a) Lithium and oxygen

(b) Magnesium and nitrogen 

(c) Aluminium and iodine 

(d) Silicon and oxygen 

(e) Phosphorus and fluorine 

(f) Element 71 and fluorine 

1 Answer

+2 votes
by (127k points)
selected by
 
Best answer

(a) LiO2 

(b) Mg3N2 

(c) AlI3 

(d) SiO2 

(e) PF3 or PF5 

(f) The element with the atomic number 71 is Lutetium (Lu). It has valency 3. Hence, the formula of the compound is LuF3.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...