Exploring the Foundations of Atomic Theory

Who is credited with the early idea of 'atomos'?

• Aristotle

• Democritus

• Plato

• Socrates

What does the term 'atomos' mean?

• Divisible

• Indivisible

• Visible

• Invisible

Tags

NGSS.MS-PS1-1

Which philosopher is known for the idea that atoms are indivisible?

• Democritus

• Socrates

• Aristotle

• Plato

Who introduced the concept of elements as substances that cannot be broken down further?

• Antoine Lavoisier

• John Dalton

• Robert Boyle

• Joseph Proust

What is the main idea behind the Law of Conservation of Matter?

• Matter cannot be created or destroyed

• Matter can be created and destroyed

• Matter can only be created

• Matter can only be destroyed

Tags

NGSS.HS-PS1-7

Who first articulated the Law of Conservation of Matter?

• Robert Boyle

• John Dalton

• Antoine Lavoisier

• Joseph Proust

Tags

NGSS.HS-PS1-7

What does the Law of Definite Proportions state?

• Each compound has a specific ratio by weight of its elements

• Elements can combine in any ratio

• Elements cannot combine chemically

• Compounds are mixtures of elements

Who proposed the Law of Definite Proportions?

• Joseph Proust

• Antoine Lavoisier

• Robert Boyle

• John Dalton

What is an example of a compound with a specific ratio of elements?

• Sand

• Air

• Water

• Salt

Tags

NGSS.MS-PS1-1

What does the Law of Multiple Proportions explain?

• Compounds are mixtures of elements

• Elements cannot combine chemically

• Compounds with the same elements have ratios that are multiples of each other

• Elements combine in any ratio