Atomic Starter: Particles Inside Matter

Meet the tiny particles that build elements

ScienceGrade 9Mixed12 questions24 min

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Section A: Atoms as Basic Units · 6 questionsSection B: Comparing Protons, Neutrons and Electrons · 6 questions

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Section A: Atoms as Basic Units

Understand atoms as basic units of elements.

Choose the most accurate statement.

Question 1

EasyQuestion

An atom is best described as:

Topic: Atomic Basics · Skill: Explain atoms as basic units of elements

Question 2

EasyQuestion

Atoms of the same element have the same:

Topic: Atomic Basics · Skill: Explain atoms as basic units of elements

Question 3

MediumQuestion

Different elements differ mainly in their number of:

Topic: Atomic Basics · Skill: Explain atoms as basic units of elements

Question 4

MediumQuestion

Which subatomic particle has negative charge?

Topic: Subatomic Particles · Skill: Differentiate electrons protons and neutrons

Question 5

MediumQuestion

Which subatomic particle has no charge?

Topic: Subatomic Particles · Skill: Differentiate electrons protons and neutrons

What this assignment covers

Students build a foundation in atoms, elements and subatomic particles before moving to models and calculations.

Skills and sections

Explain atoms as basic units of elements, Differentiate electrons protons and neutrons, Calculate protons neutrons and electrons, Interpret atomic data to classify elements

Section A: Atoms as Basic Units: 6 questions
Section B: Comparing Protons, Neutrons and Electrons: 6 questions