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1) Carbon¹2 and Carbon 14 have different numbers of neutrons, making them different a) elements Isotopes c) lons d) Energy levels 2) According to the octet rule, an atom will be most stable when a) it is neutral b) its valence shell is filled with electrons c) it is an ion d) it is a non-radioactive isotope

1) Carbon¹2 and Carbon 14 have different numbers of neutrons, making them different a) elements Isotopes c) lons d) Energy levels 2) According to the octet rule, an atom will be most stable when a) it is neutral b) its valence shell is filled with electrons c) it is an ion d) it is a non-radioactive isotope

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter7: Chemical Bonding And Molecular Structure
Section: Chapter Questions
Problem 7.21PAE: 7.21 Theoretical models for the structure of atomic nuclei predict the existence of superheavy...
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1) Carbon¹2 and Carbon 14 have different numbers of neutrons, making them different a) elements bisotopes c) lons d) Energy levels 2) According to the octet rule, an atom will be most stable when a) it is neutral b) its valence shell is filled with electrons c) it is an ion d) it is a non-radioactive isotope asuregold sup 3) When atoms gain or lose electrons, they become negatively or positively charged. A positively charged atom is known as: A) isomer B) isotope Sala C) anion D) cation ● hotsW (T 4) Oxygen has a greater electronegativity than carbon. Picture a covalent between oxygen and carbon, and determine whether each statement is true or false. The covalent bond is non-polar with equally shared electrons. TRUE/FALS Oxygen would be slightly negative while carbon would be slightly positive TRUE/FALSE 017 on al l This molecule could form hydrogen bonds with water and other molecules because it has partial charges. TRUE/FALSE Turn over for side 2 → 5) The atomic number of Boron is 5. Draw the electron diagram for a neutral boron atom.
Transcribed Image Text:1) Carbon¹2 and Carbon 14 have different numbers of neutrons, making them different a) elements bisotopes c) lons d) Energy levels 2) According to the octet rule, an atom will be most stable when a) it is neutral b) its valence shell is filled with electrons c) it is an ion d) it is a non-radioactive isotope asuregold sup 3) When atoms gain or lose electrons, they become negatively or positively charged. A positively charged atom is known as: A) isomer B) isotope Sala C) anion D) cation ● hotsW (T 4) Oxygen has a greater electronegativity than carbon. Picture a covalent between oxygen and carbon, and determine whether each statement is true or false. The covalent bond is non-polar with equally shared electrons. TRUE/FALS Oxygen would be slightly negative while carbon would be slightly positive TRUE/FALSE 017 on al l This molecule could form hydrogen bonds with water and other molecules because it has partial charges. TRUE/FALSE Turn over for side 2 → 5) The atomic number of Boron is 5. Draw the electron diagram for a neutral boron atom.
6) Consider the electron diagram of the atom shown above. Is this atom more likely to form COVALENT or IONIC bonds? (circle the correct option) 7) Water's unique properties are a result of A) isomeric B) ionic C) covalent D) hydrogen bonds: 8) Which of the following statements is true for water in its liquid state? A) It is less dense than ice. B) It has a specific heat lower than most other substances. C) It has a heat of vaporization higher than most other substances. D) It is nonpolar. 9) Which answer best describes ice floats in liquid water? A) The high surface tension of liquid water keeps the ice on top. B) The ionic bonds between the molecules in ice prevent the ice from sinking. C) Stable hydrogen bonds keep water molecules of ice farther apart than water molecules of liquid water. D) The crystalline lattice of ice causes it to be denser than liquid water. 10) Which of the following properties of water is responsible for the formation of raindrops? A) cohesion property B) adhesion property C) high thermal energy D) high kinetic energy
Transcribed Image Text:6) Consider the electron diagram of the atom shown above. Is this atom more likely to form COVALENT or IONIC bonds? (circle the correct option) 7) Water's unique properties are a result of A) isomeric B) ionic C) covalent D) hydrogen bonds: 8) Which of the following statements is true for water in its liquid state? A) It is less dense than ice. B) It has a specific heat lower than most other substances. C) It has a heat of vaporization higher than most other substances. D) It is nonpolar. 9) Which answer best describes ice floats in liquid water? A) The high surface tension of liquid water keeps the ice on top. B) The ionic bonds between the molecules in ice prevent the ice from sinking. C) Stable hydrogen bonds keep water molecules of ice farther apart than water molecules of liquid water. D) The crystalline lattice of ice causes it to be denser than liquid water. 10) Which of the following properties of water is responsible for the formation of raindrops? A) cohesion property B) adhesion property C) high thermal energy D) high kinetic energy
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