Physical Science Chapter 16 End of Chapter Work

What is the smallest particle of an element that retains the element's properties?

• A) A molecule

• B) A nucleus

• C) An atom

• D) A compound

Which subatomic particle has a positive electric charge?

• A) Electron

• B) Neutron

• C) Quark

• D) Proton

What is the center of the atom called, which contains protons and neutrons?

• A) Electron cloud

• B) Nucleus

• C) Proton

• D) Neutron

What is the charge of an electron?

• A) Positive (+)

• B) Neutral (0)

• C) Negative (−)

• D) Variable

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Which scientist is mentioned for researching radioactivity?

• A) Isaac Newton

• B) Albert Einstein

• C) Marie Curie

• D) Niels Bohr

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What is the symbol for the element gold?

• A) Go

• B) Gd

• C) Au

• D) Ag

What does the chemical symbol 'O' stand for?

• A) Oxygen

• B) Osmium

• C) Gold

• D) Silver

Which of the following is not a subatomic particle?

• A) Proton

• B) Neutron

• C) Electron

• D) Quark

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What are quarks and leptons collectively known as?

• A) Molecules

• B) Atoms

• C) Elements

• D) Elementary particles

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How many different quarks have scientists confirmed the existence of?

• A) Three

• B) Six

• C) Nine

• D) Twelve