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Matter and Particle Theory Quiz

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Questions and Answers

According to the Particle Theory of Matter, what are atoms and molecules collectively referred to as?

Elements

Units

Particles (correct)

Cells

What is the main concept behind the Particle Theory of Matter?

All particles have the same mass

All particles have the same shape

All substances are visible to the naked eye

All substances are made of atoms (correct)

How are particles of different pure substances characterized in the Particle Theory of Matter?

They have different masses

They are always moving

They are identical (correct)

They have different shapes

In the Particle Theory of Matter, what is one key characteristic of particles?

They attract each other Signup and view all the answers

Which principle of the Particle Theory of Matter emphasizes that particles are constantly in motion?

Principle 3 Signup and view all the answers

What is the defining characteristic of ordinary mechanical mixtures?

Particles are uniformly scattered Signup and view all the answers

Which type of mixture consists of particles that will not separate with gravity?

Colloid Signup and view all the answers

What distinguishes compounds from elements in terms of their composition?

Compounds are made of different elements, while elements consist of only one kind of atom Signup and view all the answers

Which statement best describes pure substances?

They are made of only one kind of particle and cannot be separated by physical means Signup and view all the answers

What is the primary characteristic that differentiates elements from compounds?

Elements consist of only one kind of atom, while compounds are made of different elements Signup and view all the answers