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COPY: Matter Quiz - Science Concepts

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Questions and Answers

What is the term for the heat required to change a liquid to a gas?

Sublimation

Fusion

Condensation

Vaporization (correct)

What does it mean when an atom has 5 free electrons?

Trivalent

Tetravalent

Pentavalent (correct)

Divalent

What is the mass number of an element defined as?

Total number of neutrons and protons (correct)

Total number of protons

Total number of electrons

Total number of protons and electrons

What is the atomic number of an element?

Number of protons Signup and view all the answers

What do you obtain when you combine 2H₂ and O₂?

2H₂O Signup and view all the answers

What determines an element's identity?

The number of protons Signup and view all the answers

What does an isotope of an element have more of?

Neutrons Signup and view all the answers

Which component of an atom is found in the nucleus?

Protons and neutrons Signup and view all the answers

What happens to the volume of a liquid if pressure increases while temperature remains constant?

It decreases Signup and view all the answers

What is atomic mass defined as?

Number of protons plus the number of neutrons Signup and view all the answers