Class 7 Online Courses

Chapter 3: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 3

Atoms Molecules and Ions MCQ (Multiple Choice Questions) PDF - 2

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The MCQs: "O3" is a chemical formula of; "Atoms Molecules and Ions" App Download Android & iOS (Free) with answers oxides, oxygen, ozone and acid rain to learn homeschool online courses. Practice chemical formulae of molecular element and compound quiz questions, download Apple Book (Free Sample) for online degree programs.

Atoms Molecules and Ions Questions & Answers PDF Download: MCQ Quiz 2

MCQ 6: "O3" is a chemical formula of

A) oxygen
B) oxides
C) ozone
D) acid rain

MCQ 7: Ammonia molecule contains one nitrogen atom and three atoms of

A) hydrogen
B) helium
C) nitrogen
D) carbon

MCQ 8: As compare to hydrogen atom, helium atom is

A) very small
B) very massive
C) medium in mass fraction
D) same in volume

MCQ 9: The major part of an atom is

A) empty
B) filled
C) charged
D) covered

MCQ 10: Rutherford's Model explains that atom has a nucleus which is surrounded by

A) protons
B) electrons
C) neutrons
D) nuclear energy

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Atoms Molecules and Ions App (Android & iOS)

Atoms Molecules and Ions App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)