Why do atoms generally form chemical bonds?

To achieve a more stable electronic arrangement

To increase their atomic number

Which process occurs during the formation of sodium chloride?

Sodium transfers an electron to chlorine

Chlorine transfers an electron to sodium

Sodium and chlorine share three electrons

Both atoms lose all their electrons

Class 9 Chemistry · Chapter 3 · Test 9

Bonding Conceptual Challenge

25 MCQs covering ionic, covalent, coordinate covalent, and metallic bonding, molecular structures, bond polarity, intermolecular forces, and conceptual applications.

MCQs

25 questions · 20 min · 25 marks

Want to try first? Take the free Chemistry test: States of Matter Basics

Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

Question 1
Why do atoms generally form chemical bonds?
- ATo achieve a more stable electronic arrangement
- BTo increase their atomic number
- CTo become radioactive
- DTo remove all their electrons
Show answerHide answer
Answer: A
Atoms form bonds to reach lower-energy and generally more stable arrangements.
Question 2
Which process occurs during the formation of sodium chloride?
- ASodium transfers an electron to chlorine
- BChlorine transfers an electron to sodium
- CSodium and chlorine share three electrons
- DBoth atoms lose all their electrons
Show answerHide answer
Answer: A
Sodium loses one electron and chlorine gains it to form oppositely charged ions.
Question 3
What is the charge on the calcium ion in calcium chloride?
- A+2
- B+1
- C-1
- D-2
Show answerHide answer
Answer: A
Calcium loses two electrons to form Ca2+.
Question 4
Which formula represents a compound formed from Al3+ and O2- ions?
- AAl2O3
- BAlO
- CAl3O2
- DAlO3
Show answerHide answer
Answer: A
Two aluminum ions and three oxide ions balance the total charge.
Question 5
How many pairs of electrons are shared in a double covalent bond?
- ATwo
- BOne
- CThree
- DFour
Show answerHide answer
Answer: A
A double bond consists of two shared electron pairs.

More tests in Chemical Bonding

Practise with a free account

Save your scores, see which chapters need work, and keep a notebook of every question you got wrong.

Create free account