ionic charged covalent coordinate

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Presentation transcript:

ionic charged covalent coordinate Chapter 3: 1. what type of bond are electrons shared between two atoms? ionic charged covalent coordinate

2. What determines the number of electrons an atom will gain or lose when forming an ion? a. The number of electrons in the valence shell of the atom b. The octet rule c. Both a and b d. Neither a nor b

3. What is the net charge on a binary ionic compound?

4. Which of the following is the correct name of Mg3N2? a. magnesium nitrogen b. magnesium nitride c. magnesium (II) nitride d. trimagnesium dinitride

5. Which of the following is true for N2O5? a. It’s name is dinitrogen pentoxide. b. It’s an example of an ionic compound. c. The charge on the nitrogen is +2 and the charge on the oxygen is 5. d. It has a net charge of +7.

6. How many bonds will nitrogen form in a Lewis structure?

7. Which of the following atomic properties determines whether a bond between two atoms is polar or nonpolar? a. electronegativity difference between the atoms b. bond order c. number of bonds (single, double, or triple) d. the number of metals present in the bond

8. According to VSEPR theory, what determines the 3-D shape of a molecule? a. the molecular charge b. the total number of bonds in the molecule c. the total nuclei in the molecule d. the repulsions of the valence-electron pairs surrounding the central atom