15 Questions
What type of bond is formed when two or more atoms share electrons?
Covalent bond
How many valence electrons does oxygen have?
Six
What was the term used by Irving Langmuir to describe how neighboring atoms could exchange electrons?
Covalence
Which rule states that the valence shell of an atom should contain eight electrons?
Octet rule
What term describes the attraction of atoms to electrons during covalent bonding?
Electronegativity
Which type of covalent bond occurs when atoms share electrons unevenly due to different electronegativity?
Polar covalent bond
How many pairs of electrons are shared in a triple covalent bond?
Three pairs
Which compound is mentioned as an example of a double covalent bond?
Carbon dioxide (CO2)
What type of elements typically form covalent compounds?
Two non-metals
Which property is NOT characteristic of covalent compounds?
High solubility
What is one of the key differences between covalent compounds and ionic compounds?
Electron sharing vs. electron donation
Why are covalent compounds considered flexible and easy to break?
They involve sharing electrons
Which compound is a primary fuel for cells to make energy?
Glucose (C6H12O6)
How are covalent compounds named when two or more atoms of the same element are bonded together?
Using the prefix 'di-' before the element name
What is the key difference in solubility between covalent compounds and ionic compounds?
Low solubility vs. high solubility
Explore the concept of covalent bonds, where atoms share electrons to complete their valence shells. Learn about the history and significance of covalent bonds in chemistry.
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