Class 7 Online Courses

Chapter 2: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 2

Atoms and Atom Model MCQ (Multiple Choice Questions) PDF - 2

Free Atoms and atom model Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Atoms and Atom Model MCQ PDF Book), test 2 to learn online class 7 science certificate courses. Study Ionic Bonds Multiple Choice Questions and Answers (MCQs) PDF, atoms and atom model quiz questions and answers to study online school courses. Free educational App: Atoms and Atom Model MCQ App Download & e-Book for ionic bonds, uses of radioisotopes, chemical formulas, electron levels test prep for online elementary school.

The MCQs: Sodium ion has; "Atoms and Atom Model" App Download Android & iOS (Free) with answers negative charge, positive charge, no charge and may be positive or negative to study online school courses. Practice ionic bonds quiz questions, download Apple Book (Free Sample) for online education programs.

Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 2

MCQ 6: Sodium ion has

A) positive charge
B) negative charge
C) no charge
D) may be positive or negative

MCQ 7: Radioactive particles give off

A) waves
B) rays
C) energy
D) light

MCQ 8: The formula that shows the number and kind of atoms which a substance of a molecule contained, is known as

A) chemical formula
B) atomic formula
C) compound formula
D) molecular formula

MCQ 9: Sodium becomes a cation when

A) it loses a proton
B) it gains a proton
C) it loses an electron
D) it gains an electron

MCQ 10: The symbol of potassium is

A) Po
B) K
C) Ps
D) Pa

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Atoms and Atom Model App (Android & iOS)

Atoms and Atom Model 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)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)