5a Chemical Bond I

Whatsapp Cikgu Kwee now!

Answered
Review

Question 1 of 9

1. Question
1 point(s)
Which of the following pair of ions has the same number of electrons?
[Proton Number: H, 1; Li, 3; Na, 11; Mg, 12; S, 16; Cl, 17; Ca, 20]
- 1. Na⁺ and Cl-
- 2. Ca²⁺ and Cl-
- 3. Mg²⁺ and S²⁻
- 4. H⁺ and Li⁺
Correct

Incorrect
Question 2 of 9

2. Question
1 point(s)
Sodium atoms and sodium ions
- 1. have same physical properties.
- 2. have same number of protons.
- 3. have same number of electrons.
- 4. have same chemical properties.
Correct

Incorrect
Question 3 of 9

3. Question
1 point(s)
Which of the following elements do not form any chemical bond with other elements under room temperature and pressure? [The symbol used is not the actual symbol of the element.]
- 1. I. Element: W
  Proton Number: 10
- 2. II. Element: X
  Proton Number: 15
- 3. III. Element: Y
  Proton Number: 18
- 4. IV. Element: Z
  Proton Number: 2
Correct

Incorrect
Question 4 of 9

4. Question
1 point(s)
Which of the following group below contains only ionic compounds?
- 1. copper(II) sulphate, hydrogen chloride, magnesium oxide
- 2. carbon dioxide, copper(II) sulphate, sodium chloride
- 3. carbon dioxide, copper(II) sulphate, hydrogen chloride
- 4. sodium chloride, magnesium oxide, potassium iodide
- 5. calcium chloride, carbon dioxide, magnesium oxide
Correct

Incorrect
Question 5 of 9

5. Question
1 point(s)
The noble gases exist as mono-atomic gases in nature because
- 1. they have valence electrons with very low energy.
- 2. they are insoluble in water
- 3. they have 2 or 8 electrons which is very stable.
- 4. they have duplet or octet electron arrangement which is very stable.
Correct

Incorrect
Question 6 of 9

6. Question
1 point(s)
Which of the following diagram shows the correct electron arrangement of a chloride ion?
[Proton number of chlorine = 17]
- 1.
- 2.
- 3.
- 4.
Correct

Incorrect
Question 7 of 9

7. Question
1 point(s)
Which of the following statements are not rue about group 18 elements
- 1. I. All group 18 elements have very stable electron arrangement.
- 2. II. All group 18 elements have 8 valence electrons.
- 3. III. They form monoatomic gases in nature.
- 4. IV. They are chemically inert.
Correct

Incorrect
Question 8 of 9

8. Question
1 point(s)
Which of the following atom that has nucleon number and proton number as shown below, would readily form an ion with a charge of +2?
- 1. Nucleon number: 41
  Proton number: 20
- 2. Nucleon number: 32
  Proton number: 16
- 3. Nucleon number: 16
  Proton number: 8
- 4. Nucleon number: 37
  Proton number: 18
Correct

Incorrect
Question 9 of 9

9. Question
1 point(s)
The electron arrangement of Y²⁻ ion is 2.8.8 and it has 16 neutrons in its nucleus. Which of the following is most likely the relative atomic mass of Y?
- 1. 16
- 2. 32
- 3. 18
- 4. 34
Correct

Incorrect

Pos.	Name	Entered on	Points	Result
Table is loading
No data available

Quiz Summary

Information

Results

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

Average score
Your score