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Questions and Answers
What health effects can occur when the concentration of ozone rises above 100 parts per million?
What health effects can occur when the concentration of ozone rises above 100 parts per million?
- Dizziness and fatigue
- Skin irritation
- Headache and nausea (correct)
- Coughing and shortness of breath
Which element from Group 17 is noted as being fairly abundant?
Which element from Group 17 is noted as being fairly abundant?
- Bromine
- Iodine
- Astatine
- Fluorine (correct)
What type of bond results in the paramagnetism of S2 molecules?
What type of bond results in the paramagnetism of S2 molecules?
- Metallic bond
- Ionic bond
- Covalent bond (correct)
- Hydrogen bond
Which gas combines very rapidly with ozone according to experiments mentioned?
Which gas combines very rapidly with ozone according to experiments mentioned?
Where are small quantities of fluorine found apart from minerals like fluorspar and cryolite?
Where are small quantities of fluorine found apart from minerals like fluorspar and cryolite?
Which compound makes up the main component of sea water?
Which compound makes up the main component of sea water?
What is the chemical formula of fluoroapatite as mentioned in the text?
What is the chemical formula of fluoroapatite as mentioned in the text?
Which element in Group 17 is mentioned as less abundant than fluorine?
Which element in Group 17 is mentioned as less abundant than fluorine?
Which statement about the iodine oxides is correct?
Which statement about the iodine oxides is correct?
What is the purpose of aqua regia, formed by mixing concentrated HCl and HNO3?
What is the purpose of aqua regia, formed by mixing concentrated HCl and HNO3?
Which trend is correct for the ionization enthalpy of Group 18 elements?
Which trend is correct for the ionization enthalpy of Group 18 elements?
Which statement about the boiling points of noble gases is correct?
Which statement about the boiling points of noble gases is correct?
Which compound is formed by the partial hydrolysis of XeF6?
Which compound is formed by the partial hydrolysis of XeF6?
Which binary fluoride of xenon is formed by the direct reaction of elements?
Which binary fluoride of xenon is formed by the direct reaction of elements?
What is the trend for the electron gain enthalpy of Group 18 elements?
What is the trend for the electron gain enthalpy of Group 18 elements?
Which element from Group 18 has the lowest boiling point among all known substances?
Which element from Group 18 has the lowest boiling point among all known substances?
Which property of helium is mentioned in the text?
Which property of helium is mentioned in the text?
What is the trend for the atomic radius of Group 18 elements?
What is the trend for the atomic radius of Group 18 elements?
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