Inorganic Chem review The number of electrons in Silicon 0% 1. 28 0% 2. 0% 3. 100% 4. 7 12 14 Atoms that are neutral: 8% 92% 0% 0% 1. Have an equal number of neutrons and protons 2. Have an equal number of protons and electrons 3. Have an equal number of electrons and neutrons 4. Have an equal number of protons, neutrons, and electrons The number of neutrons in the most common isotope of phosphorus: 16% 80% 4% 0% 1. 15 2. 16 3. 14 4. 31 Which of the following represents the proper number of PROTONS, and ELECTRONS in a lithium ion Li+: 88% 3, 2 2. 7,3 3. 2,3 4. 4,7 1. 4% 4% 4% The number of protons in a chlorine ion (Cl-): 88% 1. 4% 2. 0% 3. 8% 4. 17 18 35 16 The number of electrons in a sodium ion (Na+) 0% 1. 23 18% 2. 11 82% 3. 10 4. 12 0% Negative ions are formed when: 1. Protons are lost by atoms 2. Electrons are lost by atoms 3. Protons are gained by atoms 4. Electrons are gained by atoms Which of the following selections represents an isotope for Carbon-12: 52% 1. Protons=6 Neutrons=6 Electrons=6 0% 2. Protons=7 Neutrons=6 Electrons= 6 16% 3. Protons=6 Neutrons=7 Electrons=6 32% 4. Protons=6 Neutrons=6 Electrons=7 Based on the periodic table below, Calcium (Ca) is best described as a(n) 100% 1. An ion 0% 2. A metal 0% 3. A nonmetal 0% 4. Nobel 0% 5. Metalloid A particular atom has the following data associated with it… Proton Number= 7 Atomic Number =7 Electron Number=7 Mass Number =14 Neutron Number=7 This atom is most likely: 25% 1. Oxygen 25% 2. Sulfur 25% 3. Silicon 25% 4. Nitrogen