a) alpha b) electron c) neutron d) positron e) proton
a) protons b) neutrons c) electrons and protons d) electrons and neutrons e) neutrons and protons
a) 11Na12 b) 11Na23 c) 12Na23 d) 11Mg12 e) 12Mg23
a) 2 b) 3 c) 6 d) 10 e) variable; depends upon the principle energy level
a) 3s b) 3p c) 4s d) 4p e) 4d
a) atomic notation b) atomic number c) atomic mass d) mass number e) none of the above
a) Ca b) Cd c) Kr d) Unq e) Zn
a) 4d b) 5s c) 5p d) 5d e) 5f
a) 2 b) 4 c) 6 d) 8 e) 16
a) Group IA/1 b) Group IB/11 c) Group IIIA/13 d) Group VIIA/17 e) Group VIIIA/18
a) Cl7+ b) Cl+ c) Cl- d) Cl3- e) Cl7-
a) group or family b) group or series c) family or period d) family or series e) period or series
a) b) c) d) e)
a) Li b) C c) Mg d) Na e) none of these
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