Concept explainers
(a)
Interpretation:
The type of bonding present in the compound
Concept introduction:
An ionic bond is formed by the interaction of a metal with a non-metal. When a metal element interacts with a non-metal, the metal loses electron/electrons. The electrons lost are gained by the non-metal. The metal turns into a cation whereas the non-metal turns into an anion. The electrostatic force of attraction between the cation and the anion leads to the formation of an ionic bond between the two. The constituents in an ionic compound are ions.
A covalent bond is formed by the interaction of two non-metals. Covalent compounds are formed by the sharing of electrons between two or more atoms. A covalent bond is the strong forces of attraction between the shared pairs of electrons and the nuclei of the combining atoms.
Metallic bonds are formed between metals. A metallic bond is formed between positively charged ions in a sea of delocalized electrons.
(b)
Interpretation:
The type of bonding present in the compound
Concept introduction:
An ionic bond is formed by the interaction of a metal with a non-metal. When a metal element interacts with a non-metal, the metal loses electron/electrons. The electrons lost are gained by the non-metal. The metal turns into a cation whereas the non-metal turns into an anion. The electrostatic force of attraction between the cation and the anion leads to the formation of an ionic bond between the two. The constituents in an ionic compound are ions.
A covalent bond is formed by the interaction of two non-metals. Covalent compounds are formed by the sharing of electrons between two or more atoms. A covalent bond is the strong forces of attraction between the shared pairs of electrons and the nuclei of the combining atoms.
Metallic bonds are formed between metals. A metallic bond is formed between positively charged ions in a sea of delocalized electrons.
(c)
Interpretation:
The type of bonding present in
Concept introduction:
The metallic character is characterized by the tendency of metals to lose their outermost valence shell electrons. Greater the ease of electron removal, higher will be the electropositivity of the corresponding elements and vice versa.
The metallic character is characterized by the tendency of metals to lose their outermost valence shell electrons.
Down the group, the number of shells increases with the increase in the
Along the period, the electrons are added in the same outer shell and the effective nuclear charge increases due to which the electrons are attracted to the nucleus by strong electrostatic forces of attraction. Therefore the removal of the electron becomes difficult which results in the decrease of metallic character in a period.
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Chapter 9 Solutions
CHEMISTRY:MOLECULAR...(LL) W/ALEKS
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- The fire releases 2.80 x 107 Joules of heat energy for each liter of oil burned. The water starts out at 24.5 °C, raising the water's temperature up to 100 °C, and then raises the temperature of the resulting steam up to 325 °C. How many liters of water will be needed to absorb the heat from the fire in this way, for each 1.0 liter of crude oil burned? 4186 J/(kg°C) = heat of water 2020 J/(kg°C) = heat of steam 2,256,000 (i.e. 2.256 x 106) J/kg = latent heat of vaporization for water (at the boiling point of 100 °C).arrow_forward6 Which of the following are likely to be significant resonance structures of a resonance hybrid? Draw another resonance structure for each of the compounds you select as being a resonance form. (A Br: Br: A B C D Earrow_forwardWrite the systematic (IUPAC) name for the following organic molecules. Note for advanced students: you do not need to include any E or Z prefixes in your names. Br structure Br Br Oweuarrow_forward
- Conservation of mass was discussed in the background. Describe how conservation of mass (actual, not theoretical) could be checked in the experiment performed.arrow_forwardWhat impact would adding twice as much Na2CO3 than required for stoichiometric quantities have on the quantity of product produced? Initial results attachedarrow_forwardGiven that a theoretical yield for isolating Calcium Carbonate in this experiment would be 100%. From that information and based on the results you obtained in this experiment, describe your success in the recovery of calcium carbonate and suggest two possible sources of error that would have caused you to not obtain 100% yield. Results are attached form experimentarrow_forward
- 5) Calculate the flux of oxygen between the ocean and the atmosphere(2 pts), given that: (from Box 5.1, pg. 88 of your text): Temp = 18°C Salinity = 35 ppt Density = 1025 kg/m3 Oxygen concentration measured in bulk water = 263.84 mmol/m3 Wind speed = 7.4 m/s Oxygen is observed to be about 10% initially supersaturated What is flux if the temperature is 10°C ? (2 pts) (Hint: use the same density in your calculations). Why do your calculated values make sense (or not) based on what you know about the relationship between gas solubility and temperature (1 pt)?arrow_forwardFind a molecular formula for these unknownsarrow_forward(ME EX2) Prblms 8-11 Can you please explain problems 8 -11 to me in detail, step by step? Thank you so much! If needed color code them for me.arrow_forward
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