1) The Lewis structure of N2H2 shows ________. a. each nitrogen has two nonbonding electron pairs...
1) The Lewis structure of N2H2 shows ________.
a. each nitrogen has two nonbonding electron pairs
b. each nitrogen has one nonbonding electron pair
c. a nitrogen-nitrogen single bond
d. each hydrogen has one nonbonding electron pair
e. a nitrogen-nitrogen triple bond
2) How many electrons are in the Lewis structure of a nitrite ion (NO2-)?
a. 17
b. 18
c. 16
d. 24
e. 23
3) Resonance structures differ by ________.
a. number and placement of electrons
b. placement of atoms only
c. placement of electrons only
d. number of atoms only
e. number of electrons only
4) Predict the molecular geometry in SiF5─
a. square pyramidal
b. square planar
c. trigonal bipyramidal
d. seesaw
e. trigonal pyramidal
5) Which of the following has eight valence electrons?
a. all of the choices given
b. Cl-
c. Kr
d. Ti4+
e. Na+
Homework Answers
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1) The Lewis structure of N2H2 shows
________.
a. each nitrogen has two nonbonding electron pairs...
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