Class 7 Science MCQs - Chapter 1
Atoms and Atom Model Quiz Questions & Answers PDF Download - 3
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The Atoms and atom model Quiz Questions and Answers PDF (atoms and atom model Quiz PDF e-Book) download Ch. 1-3 to learn Grade 7 Science Course. Solve Atom Structure MCQs PDF, Atoms and Atom Model Quiz Questions and Answers to study online classes courses. The Atoms and Atom Model Quiz App Download: Free learning app for atom structure, covalent bonds, ionic bonds, valencies and valency table, mass number and isotopes test prep for distance learning.
The Quiz MCQ: Electrons have; "Atoms and Atom Model" App (iOS & Android) with answers: Positive charge; Negative charge; No charge; Both charges; to study online classes courses. Study Atom Structure MCQ Questions, download Amazon eBook (Free Sample) for online study.
Atoms and Atom Model Exam Questions and Answers PDF Download: Test 3
Electrons have
- negative charge
- positive charge
- no charge
- both charges
As compare to ionic compounds, covalent bond has
- high melting but low boiling point
- low melting but high boiling point
- low melting and boiling point
- high melting and boiling point
Ionic bonds are
- easy to break
- weak
- electrical bonds
- very difficult to break
Valency of sodium is
- 1
- 4
- 3
- 2
Neutrons in an atom also affect the
- chemical properties
- physical properties
- bonding properties
- thermal properties
Class 7 Science Mock Tests
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