Structure Of An Atom MCQ Tests
7th Class Science MCQ Tests
Structure Of An Atom
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
Ions are formed when atoms lose or gain:
Question # 2
The mass of an electron is approximately ______ kilograms.
Question # 3
A water molecule is made up of ______ hydrogen atoms and one oxygen atom bonded together.
Question # 4
________ are made up of atoms that are held together by chemical bonds.
Question # 5
In writing the ionic compound, the _______ ion, is listed first in an ionic compound formula.
Question # 6
In chemistry, a duplet rule is defined as a stable electronic configuration when an element gets two electrons in its valence shell.
Question # 7
Which law is also known as Law of constant composition?
Question # 8
The atomic number is the number of neutron in an atom.
Question # 9
Electrons are tiny subatomic particles with a ______ charge that orbit in shells around the nucleus of an atom.
Question # 10
The octet rule refers to the tendency of atoms to prefer to have _______ electrons in the valence shell.
Total Questions
12345678910
Question # 1
Ions are formed when atoms lose or gain:
Question # 2
The mass of an electron is approximately ______ kilograms.
Question # 3
A water molecule is made up of ______ hydrogen atoms and one oxygen atom bonded together.
Question # 4
________ are made up of atoms that are held together by chemical bonds.
Question # 5
In writing the ionic compound, the _______ ion, is listed first in an ionic compound formula.
Question # 6
In chemistry, a duplet rule is defined as a stable electronic configuration when an element gets two electrons in its valence shell.
Question # 7
Which law is also known as Law of constant composition?
Question # 8
The atomic number is the number of neutron in an atom.
Question # 9
Electrons are tiny subatomic particles with a ______ charge that orbit in shells around the nucleus of an atom.
Question # 10
The octet rule refers to the tendency of atoms to prefer to have _______ electrons in the valence shell.
Total Questions
12345678910
Science
7th Class Punjab MCQ Tests
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Updated on: 01-06-2026
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