What are the horizontal rows of the periodic table called

27. What are the horizontal rows of the periodic table called? Cycles C d families one of these What are the vertical columns of the periodic table called? periods nether a norb 29. What are the elements in the "A" columns of the period table called 2main group elements C metalloids b inner transition elements d tration elements 30, which columns o the periodic table is commonly called the halogens? d SA 31. Which of the following contains only transition metails? a. Ca, Cr, Fe, NI b. V, . Xe, CH, MO, NI, PE none of these d 32. The properties of ductility, malleability ability to conduct heat and electricity are characteristics of what type of material a al elements c etald elements b metallic elements d onmetallic elements a Which of the following is true of the number of subshells associated with a particular shell? it depends on which atom is being considered b. it depends on the particular shell being considered C. it depends on both a and b it depends on neither a norb d 34. How many orbitals are there in the 4p subshell? a. 1 b. 2 35. How many orbitals are there in the 3d subshell? b. 5 . d8 36. How many electrons can be accommodated in the 4 subshell? b. 5 d 18 37. How many electrons can be accommodated in the 3d subshell? a. 3 c. 10 b. 6 38. Which of the following statements describe properties of orbitals? a. Orbitals fill in the order of increasing energy from lowest to highest b. Each orbital can hold up to two electrons with spins paired. c. When there is a set of orbitals of equal energy each orbital becomes half filled before any of them becomes completely filled d. all of the above 39. Which of the following is the correct order of filling orbitals? a. 1s 2s 2p 3s 3p, 3d, 4s C. b. 1s 2s 2p 3s, 30, 45, 3d d. Is, 2, 3, 4, 2p. 3,30 none of these 40. How many valence electrons are there in an oxygen atom! a. 2 d 6 b. 4 41. The number of valence electrons of a main group element is related to which of the following a. the element's atomic number c. the element's column number b. the element's atomic weight d none of the above

27. What are the horizontal rows of the periodic table called? Cycles C d families one of these What are the vertical columns of the periodic table called? periods nether a norb 29. What are the elements in the "A" columns of the period table called 2main group elements C metalloids b inner transition elements d tration elements 30, which columns o the periodic table is commonly called the halogens? d SA 31. Which of the following contains only transition metails? a. Ca, Cr, Fe, NI b. V, . Xe, CH, MO, NI, PE none of these d 32. The properties of ductility, malleability ability to conduct heat and electricity are characteristics of what type of material a al elements c etald elements b metallic elements d onmetallic elements a Which of the following is true of the number of subshells associated with a particular shell? it depends on which atom is being considered b. it depends on the particular shell being considered C. it depends on both a and b it depends on neither a norb d 34. How many orbitals are there in the 4p subshell? a. 1 b. 2 35. How many orbitals are there in the 3d subshell? b. 5 . d8 36. How many electrons can be accommodated in the 4 subshell? b. 5 d 18 37. How many electrons can be accommodated in the 3d subshell? a. 3 c. 10 b. 6 38. Which of the following statements describe properties of orbitals? a. Orbitals fill in the order of increasing energy from lowest to highest b. Each orbital can hold up to two electrons with spins paired. c. When there is a set of orbitals of equal energy each orbital becomes half filled before any of them becomes completely filled d. all of the above 39. Which of the following is the correct order of filling orbitals? a. 1s 2s 2p 3s 3p, 3d, 4s C. b. 1s 2s 2p 3s, 30, 45, 3d d. Is, 2, 3, 4, 2p. 3,30 none of these 40. How many valence electrons are there in an oxygen atom! a. 2 d 6 b. 4 41. The number of valence electrons of a main group element is related to which of the following a. the element's atomic number c. the element's column number b. the element's atomic weight d none of the above

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