Atoms Lesson

Multiple Choice

Which of the following is NOT matter?

• coffee

• light

• oxygen

• computer

Multiple Choice

Who was the ancient Greek philosopher that first proposed the idea of atoms?

• Aristotle

• Democritus

• John Dalton

• J.J. Thompson

Multiple Choice

Who discovered the electron in 1897?

• Aristotle

• Democritus

• John Dalton

• J.J. Thompson

Multiple Choice

What did J.J. Thompson's model of the atom propose?

• Atoms are made up of tiny particles surrounded by empty space

• Atoms are uniformly packed spheres of positive matter filled with negatively charged electrons

• Atoms consist largely of empty space with a dense, positively charged nucleus

• Electrons orbit the nucleus at fixed energies and distances

Multiple Choice

What did Ernest Rutherford's gold foil experiment reveal about atoms?

• Atoms are made up of tiny particles surrounded by empty space

• Atoms are uniformly packed spheres of positive matter filled with negatively charged electrons

• Atoms consist largely of empty space with a dense, positively charged nucleus

• Electrons orbit the nucleus at fixed energies and distances

Multiple Choice

Who expanded on Rutherford's nuclear model and proposed that electrons orbit the nucleus at fixed energies and distances?

• Aristotle

• Democritus

• Niels Bohr

• Werner Heisenberg

Multiple Choice

According to the text, what did Democritus propose about the nature of atoms?

• Atoms are made up of tiny particles surrounded by empty space

• Atoms are uniformly packed spheres of positive matter filled with negatively charged electrons

• Atoms consist largely of empty space with a dense, positively charged nucleus

• Electrons orbit the nucleus at fixed energies and distances

Multiple Choice

What are the subatomic particles located in the nucleus of an atom?

• Protons and electrons

• Protons and neutrons

• Neutrons and electrons

• Protons, neutrons, and electrons

Multiple Choice

Which subatomic particle has a positive electrical charge?

• Proton

• Neutron

• Electron

• None of the above

Multiple Choice

How many electrons are required for stability in atoms with only one energy level or shell?

• 1

• 2

• 6

• 8

Multiple Choice

Which element is stable because it has 8 electrons in its outermost shell?

• Carbon

• Helium

• Neon

• Oxygen

Multiple Choice

What is the octet rule?

• Atoms with fewer than 8 electrons in their outermost shells are stable

• Atoms with 8 electrons in their outermost shells are stable

• Atoms with more than 8 electrons in their outermost shells are stable

• Atoms with 8 protons in their nucleus are stable

Multiple Choice

Which letter is pointing to the nucleus of the atom?

• A

• B

• C

• D

Multiple Choice

Which letter is pointing to an electron in the atom?

• A

• B

• C

• D

Multiple Choice

I am positively charged and located in the nucleus of an atom. What am I?

• proton

• neutron

• electron

• photon

Multiple Choice

Which of the following DOES NOT correctly match the sub-atomic particle with its charge?

• proton; +1

• neutron; -1

• neutron; 0

• electron; -1

Multiple Choice

Which of the following DOES NOT correctly pair each subatomic particle with its location?

• proton, nucleus

• neutron, electron cloud

• neutron, nucleus

• electron, electron cloud

Multiple Choice

Which of the following subatomic particles would be attracted to each other based on their charges?

• proton, neutron

• electron, neutron

• proton, electron

Match

Match the following

• Proton

• Nuetron

• Electron

Positive

Neutral

Negative

• Positive

• Neutral

• Negative

Multiple Choice

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Choice

What is the Atomic number of this atom?

• 2

• 4

• 6

Multiple Choice

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

Multiple Choice

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Choice

The fluorine atom has an atomic number of

• 19

• 9

Multiple Choice

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Multiple Choice

The mass of one proton is greater than the mass of one...

• neutron
• electron

Multiple Choice

What is the atomic mass of this atom?

• 2

• 4

• 6