What to create	Quiz
Which subject	Science
What age group	Year or Grade 10
What topic	Ionic and covalent bonding
Question types	Mixed
Number of questions	20
Number of answers	4
Correct answers	Exactly 1
Show correct answers
Use images (descriptions)
Any other preferences

Grade 10 Science Quiz: Ionic and Covalent Bonding

Instructions:

Answer the following questions related to ionic and covalent bonding. Each question is either a multiple choice or a short answer. Good luck!

Questions:

1. What type of bond is formed when electrons are transferred from one atom to another?

2. Which of the following statements best describes ionic bonding?

   • A. Electrons are shared equally between atoms.
   • B. Atoms gain or lose electrons to form charged ions.
   • C. Molecules are formed without charge transfer.
   • D. Two atoms are held together by a metal core.

3. Which of the following compounds is formed by ionic bonding?

   • A. H₂O
   • B. CO₂
   • C. NaCl
   • D. CH₄

4. In covalent bonding, how are electrons shared?

5. What is the main characteristic of covalent bonds?

   • A. They involve the transfer of electrons.
   • B. They form between metals and nonmetals.
   • C. They involve the sharing of electron pairs.
   • D. They result in the formation of ions.

6. Which of the following elements would most likely form a covalent bond?

   • A. Sodium (Na)
   • B. Chlorine (Cl)
   • C. Magnesium (Mg)
   • D. Potassium (K)

7. What type of bond is formed when two nonmetals react?

8. Which of the following correctly describes the properties of ionic compounds?

   • A. They have low melting points.
   • B. They are good conductors in solid form.
   • C. They are typically soluble in water.
   • D. They form molecules.

9. How many electrons are typically shared in a double covalent bond?

10. Which of the following is NOT a property of covalent compounds?

    • A. Low melting and boiling points.
    • B. High electrical conductivity in water.
    • C. Formation of molecules.
    • D. Insulation in solid form.

11. When an atom gains an electron, what charge does it become?

12. What is the chemical formula for a compound formed from the ionic bond between magnesium and chlorine?

13. Which of the following statements is true about electronegativity?

    • A. It measures the ability of an atom to attract electrons in a bond.
    • B. It is higher in metals than in nonmetals.
    • C. It decreases across a period in the periodic table.
    • D. It is always the same for all elements.

14. What is the result of ionic bonding between sodium (Na) and chlorine (Cl)?

15. Which of the following compounds contains both ionic and covalent bonds?

    • A. NaCl
    • B. H₂SO₄
    • C. CaCO₃
    • D. Cl₂

16. Which is an example of a substance with a covalent bond?

17. In an ionic compound, the total positive charge must equal the total negative charge. What is this principle called?

18. Which of the following best describes the structure of ionic compounds?

    • A. Molecules in a fixed arrangement.
    • B. Lattice structure of alternating positive and negative ions.
    • C. Loose arrangement of atoms in a large mass.
    • D. Random distribution of lonely atoms.

19. What kind of reaction leads to the formation of ionic bonds?

20. Which of the following particles are usually formed in ionic bonds?

    • A. Neutrons and protons
    • B. Ions
    • C. Molecules
    • D. Atoms

---

Correct Answers:

1. Electrons are transferred from one atom to another.
2. B. Atoms gain or lose electrons to form charged ions.
3. C. NaCl
4. Electrons are shared equally or unequally, depending on the atoms.
5. C. They involve the sharing of electron pairs.
6. B. Chlorine (Cl)
7. Covalent bonds are formed.
8. C. They are typically soluble in water.
9. Two electrons.
10. B. High electrical conductivity in water.
11. It becomes negatively charged (anion).
12. MgCl₂
13. A. It measures the ability of an atom to attract electrons in a bond.
14. A sodium ion (Na⁺) and a chloride ion (Cl⁻) are formed.
15. C. CaCO₃
16. Examples include methane (CH₄) or carbon dioxide (CO₂).
17. Charge neutrality or electrical neutrality principle.
18. B. Lattice structure of alternating positive and negative ions.
19. A reaction that involves the transfer of electrons from one atom to another.
20. B. Ions.