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  - Green Chemistry
    - Sustainable Design 4
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  - Materials Chemistry
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- Biology
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  - Genetics
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  - Evolution
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  - Ecology
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    - Biodiversity 28
    - Ecological Conservation 47
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  - Human Anatomy & Physiology
    - Skeletal System 117
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    - Circulatory System 90
    - Respiratory System 44
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    - Immune System 11
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  - Botany Plant Biology
    - Plant Anatomy 38
    - Plant Morphology 5
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    - Photosynthesis 53
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    - Plant Taxonomy 43
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  - Zoology Animal Biology
    - Classification 38
    - Porifera 6
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    - Arthropoda 12
    - Mollusca 5
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    - Fish 76
    - Amphibians 10
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    - Birds 5
    - Mammals 106
    - Anatomy 2
    - Physiology 27
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    - Development 6
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  - Microbiology
    - Microbial Structure 5
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    - Virology 34
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  - Biotechnology
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Exams & Certifications

9th Grade Electronic Structure Quizzes, Questions & Answers

Recent Electronic Structure Quizzes

Test Your Knowledge About Atoms, Ions, And Isotopes! Trivia Quiz

Questions: 15 | Attempts: 361 | Last updated: Mar 20, 2025

Sample Question
Protons...

Are negatively charged

Orbit the nucleus

Are positively charged

1/2000 amu

Chemistry Trivia: Aufbau Principle Quiz

Questions: 10 | Attempts: 1005 | Last updated: May 14, 2025

Sample Question
How many electrons can the first energy level hold?

2

1

4

8

A Quiz About Atom Model

Questions: 10 | Attempts: 223 | Last updated: Apr 22, 2025

Sample Question
How do scientists know how atoms are structured?

By looking at them under a microscope

By running experiments that expose their properties

By examining only the largest atoms

By splitting them apart

Protons, Neutrons, And Electrons In Ions

Questions: 54 | Attempts: 834 | Last updated: May 8, 2025

Sample Question
How many protons are in O2-?

8

6

10

10

History Of Atomic Theory

Questions: 7 | Attempts: 247 | Last updated: Mar 20, 2025

Sample Question
The atom is the basic building block of matter.

True

False

Nucleon Number (Another Name For Mass Number)

Questions: 10 | Attempts: 151 | Last updated: Apr 9, 2025

Sample Question
Carbon-12 and Carbon-14 are _______________.

Ions

Isotopes

Different elements

Compounds

8sg2 Yearly Science Exam

Questions: 37 | Attempts: 115 | Last updated: Jan 13, 2025

Sample Question
The particle of an atom with a positive charge is known as the:

Neutron

Proton

Electron

Particle

8sw2 Yearly Science Exam

Questions: 37 | Attempts: 115 | Last updated: Jan 13, 2025

Sample Question
The particle of an atom with a positive charge is known as the:

Neutron

Proton

Electron

Particle

Age 2A672 (Vol 1)

Questions: 88 | Attempts: 297 | Last updated: Mar 19, 2025

Sample Question
(001) What is the simplest form of matter?

Mixture.

Electrons.

Element.

Compund.

Bell Work: Subatomic Particles

Questions: 15 | Attempts: 221 | Last updated: Jul 22, 2025

Sample Question
Which of the following is the basic unit of matter?

Atom

Proton

Neutron

Electron

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