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Covalent Bonds
CAVA 302 303 S1U4L12 Covalent Bonds
Question | Answer |
---|---|
In covalent compounds the atoms [...] the valence electrons. | In covalent compounds the atoms share the valence electrons. |
A covalent bond does not involve the transfer of an [...] from one atom to another. | A covalent bond does not involve the transfer of an electron from one atom to another. |
Covalent bonds result when adjacent atoms share [...] electrons. | Covalent bonds result when adjacent atoms share valence electrons. |
One covalent bond is a pair of shared [...]. | One covalent bond is a pair of shared electrons. |
Covalent bonds form when [...]s share electrons. | Covalent bonds form when nonmetals share electrons. |
Many gases consist of two [...] bonded atoms. | Many gases consist of two covalently bonded atoms. |
Atoms that bond covalently form [...]. | Atoms that bond covalently form molecules. |
Atoms that bond ionically form [...]. | Atoms that bond ionically form ionic compounds. |
Unlike ions, molecules do not [...] when dissolved in water. | Unlike ions, molecules do not break apart or dissociate when dissolved in water. |
Atoms within a molecule can have more than one [...]. | Atoms within a molecule can have more than one covalent bond. |
Atoms can form as many as [...] covalent bonds with each other. | Atoms can form as many as four covalent bonds with each other. |
A double bond is 2 [...] shared between two atoms. | A double bond is 2 pairs of electrons shared between two atoms. |
A triple bond is [...] shared between two atoms. | A triple bond is 3 pairs of electrons shared between two atoms. |
most ionic compounds are [...] at room temperature. | most ionic compounds are solids at room temperature. |
covalent compounds can be [...] at room temperature. | covalent compounds can be solid, liquid, or gas at room temperature. |
covalent compounds have [...] melting and boiling points than ionic compounds. | covalent compounds have lower melting and boiling points than ionic compounds. |
covalent compounds are poor conductors in [...] state. | covalent compounds are poor conductors in any state. |
Nonmetals form covalent bonds with each other because they have similar [...]. | Nonmetals form covalent bonds with each other because they have similar electronegativities. |
some covalent compounds are soluble in [...] solvents such as water. | some covalent compounds are soluble in polar solvents such as water. |
some covalent compounds are soluble in [...] solvents such as oil. | some covalent compounds are soluble in non-polar solvents such as oil. |
ionic compounds are not soluble in [...] solvents. | ionic compounds are not soluble in non-polar solvents. |