Create a Quiz. The academic subject for which the text must be created - Science. Content must be appropriate for Year or Grade 9. Required ...
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What to createQuiz
Which subjectScience
What age groupYear or Grade 9
What topicAtoms
Question typesClose-ended
Number of questions5
Number of answers5
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Grade 9 Science Quiz: Atoms

Welcome to the Grade 9 Science Quiz on Atoms! Please read each question carefully and choose the correct answer.

1. What is the basic unit of matter?

A. Molecule
B. Element
C. Compound
D. Atom
E. Ion

2. What subatomic particle has a positive charge?

A. Electron
B. Neutron
C. Proton
D. Photon
E. Neutrino

3. Which of the following is true about isotopes?

A. They have the same number of protons but different numbers of neutrons.
B. They have different numbers of protons.
C. They are always radioactive.
D. They have the same mass number.
E. They can only exist as gases.

4. What is the mass number of an atom?

A. The total number of protons only.
B. The total number of electrons only.
C. The total number of protons and neutrons.
D. The total number of neutrons and electrons.
E. The average mass of all isotopes.

5. Which of the following elements is a noble gas?

A. Oxygen
B. Nitrogen
C. Helium
D. Hydrogen
E. Carbon

Instructions: Please write down the letter corresponding to your answer for each question on a separate sheet. Good luck!