Ionic vs. Covalent Bonding<BLURT>

Ionic vs. Covalent Bonding


1. How many valence electrons does the chlorine atom have? A. 5
B. 1
C. 7
D. 6


2. Which of these statements is FALSE? A. Sodium chloride crystals have cubic shapes.
B. In the reaction, sodium atoms each lose an electron forming sodium ions.
C. Electrons from sodium atoms split chlorine molecules.
D. The reaction between sodium and chlorine releases energy.
E. Sodium and chlorine combine to form an ionic bond between them.


3. Which of the following atoms and ions has the greatest number of electrons? A. Na
B. Na+
C. Cl
D. Cl-
E. Na+ and Cl- have the same number of electrons.


4. When H2 gas and O2 gas are combined, the reaction A. is explosive
B. produces water
C. produces a covalently bonded molecule
D. All of these are correct.
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