Class 7 Science MCQs - Chapter 1
Atoms and Atom Model Multiple Choice Questions (MCQ) PDF Download - 18
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The Atoms and atom model Multiple Choice Questions (MCQ Quiz) with Answers PDF (Atoms and Atom Model MCQ PDF e-Book) download Ch. 1-18 to learn Grade 7 Science Course. Study Electrons and Shells Multiple Choice Questions and Answers (MCQs) PDF, Atoms and Atom Model Quiz Questions and Answers to study online certification courses. The Atoms and Atom Model MCQ App Download: Free Grade 7 Science App to learn electrons and shells, electron levels, chemical formulas, science and radioisotopes test prep for school certificate.
The MCQs: Second shell can hold up to; "Atoms and Atom Model" App (Android, iOS) with answers: six electrons, four electrons, eight electrons, and twelve electrons to study online certification courses. Practice Electrons and Shells MCQ Questions, download Apple e-Book (Free Sample) for online certifications.
Atoms and Atom Model MCQs with Answers PDF Download: Quiz 18
Second shell can hold up to
- four electrons
- six electrons
- eight electrons
- twelve electrons
The electronic configuration of sodium as K, L, M is
- 2, 1, 8
- 8, 1, 2
- 1, 2, 8
- 2, 8, 1
Hydrogen is a diatomic gas and its chemical formula is
- H2
- H2
- H
- Hy
The second shell with the second energy level is known as
- shell B
- shell L
- shell P
- shell K
As the unstable atoms break up into smaller atoms,
- energy is released
- radiations are released
- light is released
- heat is released
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Atoms and Atom Model MCQ Book Questions
- Formula that shows number and kind of atoms which a substance of a molecule contained, is known as
- Movement of particles from an area of higher concentration to an area of lower concentration is called
- Electrolyte used in purification of copper is
- When we inhale
- Majority of people wear white or light colored clothes in summer, because light colors