Chapter 6 Array Science 7th Class Punjab MCQ Tests
7th Class Science Chapter 6 MCQ Tests
Chapter 6 of 7th Class Science has 10 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 10
Total Marks: 10
Time: 10 Mins
Total Questions: 10
Total Marks: 10
Time: 10 Mins
10Min : 00 Sec Remaining
Question # 1
A water molecule is made up of ______ hydrogen atoms and one oxygen atom bonded together.
Question # 2
Electrons are tiny subatomic particles with a ______ charge that orbit in shells around the nucleus of an atom.
Question # 3
The octet rule refers to the tendency of atoms to prefer to have _______ electrons in the valence shell.
Question # 4
In chemistry, a duplet rule is defined as a stable electronic configuration when an element gets two electrons in its valence shell.
Question # 5
In writing the ionic compound, the _______ ion, is listed first in an ionic compound formula.
Question # 6
Which law is also known as Law of constant composition?
Question # 7
The mass of an electron is approximately ______ kilograms.
Question # 8
The atomic number is the number of neutron in an atom.
Question # 9
________ are made up of atoms that are held together by chemical bonds.
Question # 10
Ions are formed when atoms lose or gain:
Total Questions
12345678910
Question # 1
A water molecule is made up of ______ hydrogen atoms and one oxygen atom bonded together.
Question # 2
Electrons are tiny subatomic particles with a ______ charge that orbit in shells around the nucleus of an atom.
Question # 3
The octet rule refers to the tendency of atoms to prefer to have _______ electrons in the valence shell.
Question # 4
In chemistry, a duplet rule is defined as a stable electronic configuration when an element gets two electrons in its valence shell.
Question # 5
In writing the ionic compound, the _______ ion, is listed first in an ionic compound formula.
Question # 6
Which law is also known as Law of constant composition?
Question # 7
The mass of an electron is approximately ______ kilograms.
Question # 8
The atomic number is the number of neutron in an atom.
Question # 9
________ are made up of atoms that are held together by chemical bonds.
Question # 10
Ions are formed when atoms lose or gain:
Total Questions
12345678910
Science MCQ Test by Topics
- +6.1 Structure of an Atom
- +6.2 Atomic and mass number
- +6.3 Distribution of Electrons in Shells
- +6.4 Valency and Ions
- +6.5 Isotopes and their uses
- +6.6 Molecules and Chemical Formulae
- +6.6.1 Molecule
- +6.6.2 Chemical Formula
- +6.6.3 Making Chemical Formula of Ionic Compounds
- +6.7 Law of consant composition
Science
7th Class Punjab MCQ Tests
7th Class Online Classes 2026
Updated on: 01-06-2026
7th Class Online Preparation
7th Class 2026 Online
7th Class 2026
Add a Comment
Comments will be shown after admin approval.
Spam comments will not be approved at all.
Matric Result 2026 Punjab
10th Class Result 2026 Punjab
9th Class Result 2026 Punjab Boards
10th Class Result Gazette 2026 Punjab
Punjab Past Papers Matric 9th 10th
Primary Results 5th & 8th Class
BISE Results Intermediate & Matric
BISE Punjab Boards
Sindh Educational Boards
KPK Examination Boards
Technical Boards
Public Service Commission
University Results Gruaduation, Masters Classes
Subscribe by Email
Subscribe by Email
Subscribe to Rss Feed
Position Holders Matric 2026
Position Holders 9th Class 2026
Position Holders Inter 2026
Position Holders 11th Class 2026
Punjab 7th Class Science