Question 1

Question

A)What is unique about how the periodic table of the elements is organized?(1 point)
Responses

Elements are grouped by multiples of atomic number.
Elements are grouped by multiples of atomic number.

Elements with similar properties are grouped together in a pattern.
Elements with similar properties are grouped together in a pattern.

Elements are in order so that each element has an atomic mass that is 1 greater than the previous element.
Elements are in order so that each element has an atomic mass that is 1 greater than the previous element.

Elements are in order according to the number of neutrons in their nucleus.
Elements are in order according to the number of neutrons in their nucleus.
Question 2
A)Which part of John Dalton’s theory was disproved by J.J. Thomson’s cathode-ray tube experiments?(1 point)
Responses

Atoms can join together.
Atoms can join together.

Atoms can form new substances.
Atoms can form new substances.

Atoms are indivisible.
Atoms are indivisible.

Atoms are small.
Atoms are small.
Question 3
A)Which information did Millikan contribute to the understanding of electrons?(1 point)
Responses

He determined the ratio of mass to charge for electrons.
He determined the ratio of mass to charge for electrons.

He determined that electrons absorb or release specific amounts of energy.
He determined that electrons absorb or release specific amounts of energy.

He determined the amount of charge on an electron.
He determined the amount of charge on an electron.

He determined that electrons do not move in specific orbits around the nucleus.
He determined that electrons do not move in specific orbits around the nucleus.
Question 4
A)How does the Coulomb force affect charge interactions?(1 point)
Responses

Like charges attract, and opposite charges repel.
Like charges attract, and opposite charges repel.

Like and opposite charges repel.
Like and opposite charges repel.

Like charges repel, and opposite charges attract.
Like charges repel, and opposite charges attract.

Like and opposite charges attract.
Like and opposite charges attract.
Question 5
A)Which observation by Ernest Rutherford and his students refuted the plum pudding model?(1 point)
Responses

electron attraction
electron attraction

electron deflection
electron deflection

alpha particle attraction

Answer 1

Here are the correct responses for each of your questions:

Question 1: A) What is unique about how the periodic table of the elements is organized?
Response: Elements with similar properties are grouped together in a pattern.

Question 2: A) Which part of John Dalton’s theory was disproved by J.J. Thomson’s cathode-ray tube experiments?
Response: Atoms are indivisible.

Question 3: A) Which information did Millikan contribute to the understanding of electrons?
Response: He determined the amount of charge on an electron.

Question 4: A) How does the Coulomb force affect charge interactions?
Response: Like charges repel, and opposite charges attract.

Question 5: A) Which observation by Ernest Rutherford and his students refuted the plum pudding model?
Response: electron deflection.

Feel free to ask if you have more questions!