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When the elements in each pair are chemically combined which element in each pair has a greater attraction for electrons A) Ca or O B) O or F C) H or O D) K or S?
Answers: oxygen, fluorine, oxygen, sulfur.
Why oxygen have less ionisation enthalpy than fluorine?
Oxygen has less ionization enthalpy than fluorine because oxygen has a smaller nuclear charge compared to fluorine, leading to weaker attraction between the nucleus and the electrons. This makes it easier to remove an electron from an oxygen atom compared to a fluorine atom.
What atom is known as an electron grabber?
Fluorine is known as an electron grabber because it is the most electronegative element on the periodic table, meaning it has a strong attraction for electrons in a chemical bond.
How does fluorine's atomic radius compare to oxygen's radius and chlorine's radius?
Fluorine's atomic radius is smaller than that of chlorine but larger than that of oxygen. This trend is due to the increasing number of electron shells: fluorine and oxygen are in the second period, while chlorine is in the third. Consequently, fluorine has a greater effective nuclear charge compared to oxygen, pulling its electrons closer, while chlorine has additional electron shells, leading to a larger radius. Thus, the order of atomic radius from smallest to largest is: fluorine < oxygen < chlorine.
Does OF2 Have a noble gas structure?
Yes it does. Each fluorine shares one electron with oxygen. So fluorine as well as oxygen will have 8 valence electrons.
Why does oxygen have less electronegativity than fluorine?
Fluorine has stronger nuclear charge and smaller atomic size compared to oxygen, which results in greater attraction for electrons in its outer shell, making it more electronegative than oxygen.
Which of the following elements has the least atrraction for electrons in a chemical bond nitrogen fluorine oxygen chlorine?
Fluorine has the least attraction for electrons in a chemical bond among nitrogen, fluorine, oxygen, and chlorine. Fluorine is the most electronegative element on the periodic table, meaning it has a strong attraction for electrons in a bond.
Which atoms has the greatest attraction for electrons A. Carbon B. Fluorine C. Iodine D. Oxygen?
B. Fluorine has the greatest attraction for electrons among the atoms listed. It has the highest electronegativity value on the periodic table.
Which has a greater attraction for electrons Ca or O?
Oxygen (O) has a greater attraction for electrons compared to calcium (Ca) due to its higher electronegativity. Oxygen, being a non-metal, has a higher tendency to attract and share electrons in chemical reactions, while calcium, being a metal, typically loses electrons to form cations.
Why is fluorine smaller than oxygen?
Even though Fluorine comes after Oxygen, it is smaller due to the fact that it has more protons. Therefore, the electrons in Fluorine have a tighter orbit than the electrons in Oxygen. Electrons dictate atomic size.
Why carbon is less electronegative than oxygen?
Carbon is less electronegative than oxygen because oxygen has a greater nuclear charge and smaller atomic size, leading to a stronger attraction for electrons. This makes oxygen more effective at attracting and holding onto electrons compared to carbon, resulting in a higher electronegativity for oxygen.
When the elements in each pair are chemically combined which element in each pair has a greater attraction for electrons A) Ca or O B) O or F C) H or O D) K or S?
Answers: oxygen, fluorine, oxygen, sulfur.
What is true about both fluorine and oxygen that allow them to pull hard on electrons?
Both fluorine and oxygen have high electronegativities due to their strong attraction for electrons. This is because they have incomplete outer electron shells, making them highly reactive in forming chemical bonds by attracting electrons. This makes them capable of pulling on shared electrons in a molecule.
Why oxygen have less ionisation enthalpy than fluorine?
Oxygen has less ionization enthalpy than fluorine because oxygen has a smaller nuclear charge compared to fluorine, leading to weaker attraction between the nucleus and the electrons. This makes it easier to remove an electron from an oxygen atom compared to a fluorine atom.
Why oxygen forms positive charge with fluorine?
Oxygen does not typically form a positive charge with fluorine. Oxygen tends to gain electrons to achieve a stable electronic configuration, while fluorine tends to gain electrons to reach a stable octet. This results in the formation of a covalent bond between the two elements, with oxygen typically having a partial negative charge and fluorine having a partial positive charge.
Which element is more electronegative fluorine or oxygen?
Fluorine is the most electronegative element in the periodic table of elements. Electronegativity is a measure of the tendency of an atom or functional group to attract electrons towards itself.
Why would oxygen be less reactive than fluorine?
Oxygen is less reactive than fluorine because it has a higher electronegativity and a larger atomic size, leading to weaker attraction for electrons. This makes it less likely to form bonds with other elements compared to fluorine. Additionally, fluorine is a halogen with seven valence electrons, making it highly reactive in order to achieve a stable electron configuration.
