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Covalent Bonds Study

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How do atoms achieve noble-gas electron configurations in single covalent bonds?
Two atoms share two electrons.
Which of the following elements can form diatomic molecules held together by triple covalent bonds?
Nitrogen
A molecule with a single covalent bond is
Cl2
Which is a typical characteristic of an ionic compound?
The ionic compound has a high melting point.
How many electrons are shared in a single covalent bond?
2
Which of the following covalent bonds is the most polar?
H--F
What does the term coordination number in ionic crystals refer to?
The # of oppositely charged ions surrounding a particular ion.
Which of the following is NOT a characteristic of most ionic
They have low melting points.
Which of the following particles are free to drift in metals?
Electrons.
What is the basis of a metallic bond?
The attraction of metal ions to mobile electrons.
What is the element with the lowest electronegativity value?
Cesium.
What is the total number of covalent bonds normally associated with a single carbon atom in a compound?
4
What characteristic of metals makes them good electrical conductors?
They have mobile valence electrons.
Which of these elements does not exist as a diatomic molecule?
Ne
How man valence electrons does an iodine atom have?
7