Class 7 Science Online Tests
Electrons and Shells MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Electrons are mainly; "Electrons and Shells" App Download (Free) with answers: Solids; Bundle of light; Bundle of energy; Gases; to learn online homeschool courses. Solve Atoms and Atom Model Quiz Questions, download Apple eBook (Free Sample) for school certificate.
Electrons and Shells MCQs: Questions and Answers PDF Download
Electrons revolve around the nucleus as fast as
- sound in air
- sound in liquid
- sound in solid
- sound in light
Electrons are mainly
- solids
- bundle of light
- bundle of energy
- gases
In a drawing of atom, shells are indicated by
- rectangles
- squares
- circles
- triangles
Second shell can hold up to
- four electrons
- six electrons
- eight electrons
- twelve electrons
The second shell with the second energy level is known as
- shell B
- shell L
- shell P
- shell K
Class 7 Science Practice Tests
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