1. 1 st Six Weeks Test Review- -Atomic Structure -Bohr Models - Periodic Table

2. If the bohr model represents a neutral atom, how many protons does it have?

3. 4 Hint: same number of protons and electrons

4. The variables in an experiment belong on which axis on a graph?

5. X axis- independent Y axis- dependent

6. What is the correct way to write a hypothesis?

7. If... Then statement

8. List the three subatomic particles and their charges

9. Proton- positive Neutron- neutral Electron- negative

10. What is the central part of an atom called?

11. nucleus

12. Which particles are located in the nucleus?

13. Proton and Neutron

14. What is wrong with the atom model below?

15. There are no neutrons

16. Based on the diagram below, this atom has an atomic mass of ______, and atomic number of _____.

17. Atomic mass = 44 Hint: protons + Neutrons Atomic number = 29 Hint: protons = atomic #

18. The diagram below represents an oxygen atom. How many valence electrons does it have?

19. 6 Hint: V.E. are on the last shell

20. What is wrong with the atom model below?

21. The 2 nd shell isn’t full. It only has 3 electrons. Hint: 2-8-18-32

22. The Bohr model below represents which element?

23. Beryllium (Be) Hint: electrons = 4, so atomic number =4

24. What is the atomic number of the atom below?

25. 5 Hint: look at number of protons

26. The diagram below represents Argon. How many neutrons does Argon have?

27. 22 hint: atomic mass- Atomic #

28. The diagram below represents silver. What is the atomic mass and atomic number for silver?

29. Atomic # = 47 Atomic Mass= 108

30. An atom’s identity is determined by ______.

31. The number of protons in its nucleus.

32. What do these two atoms have in common?

33. Same element Hint: they have same number of protons

34. The non-metals are located on the right side of the table. What are some of their properties?

35. Mostly gasses, non- malleable, non conductors of electricity,

36. According to the table, which element has the largest atomic mass? ElementProtonsNeutronsElectrons Bieberium201220 Gagaeon40880408 Taylorium773377

37. According to the table, which element has the largest atomic mass? ElementProtonsNeutronsElectrons Bieberium201220 Gagaeon40880408 Taylorium773377 Gagaeon Hint: protons + neutrons

38. Elements in the same group (columns) have what in common?

39. -Chemical properties -Same # of electron shells

40. These properties describe which type of element? Non-conductors of electricity, non-malleable, mostly gases

41. These properties describe which type of element? Non-metals Non-conductors of electricity, non-malleable, mostly gases

42. Elements in the same period (rows) have what in common?

43. -Same # of electron shells

44. Neon is part of the Nobel Gases. How many valence electrons does Neon have?

45. 8

46. True or False- Based on the periodic table, Nitrogen (N) and Phosphorous (P) react chemically similar.

47. True or False- Based on the periodic table, Nitrogen (N) and Phosphorous (P) react chemically similar. True- they are in the same group