Class 7 Science MCQs - Chapter 2
Atoms and Atom Model Multiple Choice Questions (MCQ) PDF - 32
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Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 32
MCQ 156: The number and arrangement of electrons in an atom are important because it controls
- the physical properties of atom
- the chemical properties of atom
- the size of atom
- all of above
MCQ 157: The particles which have equal mass are
- protons and electrons
- protons and neutrons
- neutrons and electrons
- photons and protons
MCQ 158: The rays that can penetrate into metal are
- x-rays
- ultra violet rays
- gamma rays
- radio waves
MCQ 159: The symbol of 'neon gas' is
- Ne
- Na
- N
- Mg
MCQ 160: At room temperature, ionic bonds are
- gas
- solids
- liquids
- semi solids
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Grade 8 Science MCQ with Answers
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