9th Grade Theoretical Chemistry Quizzes, Questions & Answers

9th Grade

Top Trending Theoretical Chemistry Quizzes

Are you aware of atomic theory? Atomic theory is the scientific concept that matter is made up of atoms. According to this perspective, if you were to take a piece of matter and cut it into smaller fragments that are all the...

Questions: 9 | Attempts: 2262 | Last updated: Mar 22, 2025

Sample Question 1
What scientist was the first to conclude through experimentation that atoms have positive charges in their nuclei?

Bohr

Balton

Mosley

Rutherford

Sample Question 2
Atoms of the same element must

Contain the same number of neutrons

Have the same mass number

Contain the same number of protons

Have equal numbers of protons and neutrons

Chem 1 Ch 1

Quiz based on Prentice Hall Chemistry textbook. Chapter 1 Scientific Method

Questions: 6 | Attempts: 155 | Last updated: Mar 21, 2025

Sample Question 1
When you use your senses to obtain information, you make a(n)?

Hypothesis

Scientific Law

Observation

Judgement

Sample Question 2
Farmers learned to conserve water by placing genes from a jellyfish into a potato plant

True, the plant glows when it needs water

False jellyfish couldn't live in a potato field

Recent Theoretical Chemistry Quizzes

GCSE Science B1: Chemistry and Technology in Everyday Life Quiz

Questions: 29 | Attempts: 12 | Last updated: Aug 4, 2025

Sample Question
How has chemistry and technology helped farming over the years?

-Chemical pesticides and fertilizers help produce higher yeilds, Automatic barn cleaners and feeders are used Large tractors and cultivators allow one person to do the work of many.

By decreasing the need for human labor in farming operations.

By increasing the cost of farming equipment and supplies.

By reducing the overall quality and nutritional value of crops.

Evolution of Atomic Theory: Historical Insights and Models

Questions: 12 | Attempts: 13 | Last updated: Oct 10, 2025

Sample Question
In 440 BCE, who thought that everything was made up of the 4 elements, air, water, earth, fire?

Aristotle & Plato

Pythagoras

Hippocrates

Socrates

Foundations of Atomic Theory Quiz

Questions: 7 | Attempts: 13 | Last updated: Aug 4, 2025

Sample Question
Who was Democritus?

Aristotle was a famous Italian painter during the Renaissance period.

Plato was a mathematician known for his work in geometry.

Socrates was a Roman emperor known for his military conquests.

(460 BCE - 370 BCE) was an ancient Greek philosopher. He is known for his influence on modern science. He believed all matter consisted of small particles he called "atomos".

MCQs On Stoichiometry and Stoichiometric Calculations

Questions: 18 | Attempts: 7513 | Last updated: Aug 19, 2025

Sample Question
How many molecules are there in one mole of H2O?

6.023 x 1019

6.023 x 1023

1.084 x 1018

None of these

Hl Chemistry Mid-term Form (4)

Questions: 45 | Attempts: 210 | Last updated: May 8, 2025

Sample Question
Choose the best answer:

A

B

C

D

History Of The Atomic Theory Quiz

Questions: 13 | Attempts: 4878 | Last updated: Mar 5, 2025

Sample Question
Who proposed that everything was made of tiny particles, called atomos, surrounded by empty space?

Democritus

Neils Bohr

Werner Heisenbergy

Ernest Rutherford

Chemical Classification

Questions: 10 | Attempts: 1454 | Last updated: Feb 23, 2025

Sample Question
Which of the following are examples of matter? Check all that apply.

Sound

Water

Air

Heat

Energy

Atom Test Period 8

Questions: 27 | Attempts: 76 | Last updated: Jul 12, 2025

Sample Question
An atom is fundamentally different from an ion. This is because an ion...

Never has an equal number of protons and electrons, and an atom always has an equal number of protons and electrons.

Always has the same number of protons and neutrons; for atoms the number of protons may be different than the number of neutrons.

Always has more electrons than protons; atoms always have the same number of protons as electrons.

Never has more than 1.5 times as many neutrons as protons; atoms may be radioactive.

Elements, Atoms, Bonding and The Periodic Table Flash Quiz

Questions: 12 | Attempts: 289 | Last updated: Mar 20, 2025

Sample Question
What is matter?

Anything that has mass and occupies space.

Anything that has density and occupies space.

Anything that has volume and takes up space.

Anything that has electrons and takes up space.

Atomic Theory & Periodic Table Quiz

Questions: 30 | Attempts: 141 | Last updated: May 14, 2025

Sample Question
Protons are found in the ________.

Nucleus

Electron Cloud

Outside the Atom

Electron Energy Levels

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9th Grade Theoretical Chemistry Quizzes, Questions & Answers

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