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Atom Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Which of the following describes Rutherford's model of the atom?

Question 2 2. Why did Rutherford concluded that gold atoms are mostly made of empty space?

Question 3 3. How many moles of silver (Ag) atoms are there in 3.80 x 10^24 silver atoms?

Question 4 4. Which of the following scientists would say that atoms are like plum pudding, where the raisins are negative charges and the rest of the space has positive charges?

Question 5 5. When working with atomic orbitals and quantum numbers, if n = 2, then l can be which of the following values?

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Question 6 6. How many atoms are there in two moles of helium gas?

Question 7 7. What is the main difference between two isotopes of the same element?

Question 8 8. The energy of an orbital is represented by which letter?

Question 9 9. The mass number of Nitrogen is 14, and its atomic number is 7. Therefore, Nitrogen has:

Question 10 10. Which magnetic quantum numbers are possible for p orbitals?

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Question 11 11. The electron configuration of Carbon is 1s^2 2s^2 2p^2. How many electrons does Carbon have?

Question 12 12. Who stated that matter is made of atoms?

Question 13 13. A(n) _____ is a representation of the arrangement of electrons in an atom of an element. 

Question 14 14. Which of the following scientists discovered the electron charge using the 'oil drop experiment'?

Question 15 15. The atomic number of oxygen is 8. Therefore, oxygen atom has:

Atom Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

Chemistry 101: General Chemistry  /  Science Courses
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