# data[].attributes.headline
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.subject
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.headline
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.subject
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.headline
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.subject
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.headline
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.subject
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.headline
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.subject
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.headline
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.subject
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.headline
What was known about the particles in the atom (protons, neutrons, electrons)

# data[].attributes.subject
What was known about the particles in the atom (protons, neutrons, electrons)