Basic Atomic Structure: A Look Inside the Atom by Tyler Dewitt

What are atoms?

• Tiny particles that make up everything

• Large structures found in nature

• Building blocks of a cell

• Elements found in the periodic table

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How would you describe the size of an atom?

• Atoms are incredibly large and easy to see

• Atoms are so small that they are difficult to comprehend

• Atoms are slightly smaller than the human body

• Atoms are larger than planets

What is the nucleus of an atom made up of?

• Electrons

• Protons and neutrons

• Positively charged particles

• Negatively charged particles

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Which statement about charges in atoms is true?

• Protons have a positive charge, and electrons have a neutral charge.

• Neutrons have a negative charge, and electrons have a positive charge.

• Protons have a positive charge, and electrons have a negative charge.

• Neutrons have a negative charge, and electrons have a neutral charge.

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Why don't electrons fly away from the nucleus of an atom?

• Electrons are attracted to the positively charged protons.

• Electrons have a neutral charge, so they don't interact with protons.

• Electrons are repelled by the negatively charged protons.

• Electrons are too heavy to move away from the nucleus.

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What is the weight of a proton or neutron?

• 1 atomic mass unit (amu)

• 0.0005 amu

• 0.001 amu

• 0.1 amu

What is a more convenient way to measure the mass of a proton or neutron?

• Grams

• Kilograms

• Atomic mass unit (amu)

• Pounds