Chemical Reactions and Laws of Chemical Combination Quiz

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What are the molecules that interact to produce new compounds in a chemical reaction called?

Reactants

Which law states that matter can neither be created nor destroyed in a chemical reaction?

Law of Conservation of Mass

What is another name for the 'Law of Constant Proportions'?

Proust’s Law

In a chemical reaction, what remains conserved according to the law of conservation of mass?

<p>Mass</p> Signup and view all the answers

What is the defining structure of an element that cannot be broken by any chemical means?

<p>Atom</p> Signup and view all the answers

According to Dalton's Atomic Theory, what are atoms described as?

<p>Solid, massy, hard, impenetrable, moving particles</p> Signup and view all the answers

What does the atomic radius represent?

<p>Distance between an atom's nucleus and outer electron shell</p> Signup and view all the answers

What is the mass number of an element equal to?

<p>Total number of protons and neutrons</p> Signup and view all the answers

What is atomic mass commonly expressed in terms of?

<p>Unified Atomic Mass Unit (AMU)</p> Signup and view all the answers

How is molecular mass calculated?

<p>By multiplying atomic mass by the number of atoms in the molecule and then adding the masses of all elements present</p> Signup and view all the answers

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