Complete the table below. some binary molecular compounds name chemical formula nitrogen trifluoride   chlorine monofluoride   dinitrogen tetrafluoride   carbon tetrafluoride

Pushing Electrons
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Author:Weeks, Daniel P.
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Chapter1: Lewis Structures
Section: Chapter Questions
Problem 1EQ: 1. Hydrogen is a Group I element and each hydrogen will contribute I valence electron....
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1-Complete the table below.

some binary molecular compounds
name chemical formula
nitrogen trifluoride
 
chlorine monofluoride
 
dinitrogen tetrafluoride
 
carbon tetrafluoride
 
 
 

2-Fill in the missing information:

symbol atom or ion?
check all that apply
number of protons number of electrons
Ar
___neutral atom
___ cation
___anion
 
 
 
 
 
 
As3-
___neutral atom
___ cation
___anion
 
 
 
 
 
 
Be2+
___neutral atom
___ cation
___anion
 
 
 
 
 

3-The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Each compound is soluble in water.

Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. For example, you know water itself will be present, so you can begin each list with the chemical formula for water (H2O).

Note: "major" chemical species are those present in concentrations greater than 10-6 /molL.

compound formula major species present
when dissolved in water
methanol
CH3OH
 
magnesium sulfate
MgSO4
 
copper(II) iodide
CuI2
 
 
 
 

4-Complete the table below by writing the symbols for the cation and anion that make up each ionic compound. The first row has been completed for you.

ionic compound cation anion
NaCl
Na+
Cl-
MnI3
 
 
Cr2S3
 
 
CuF
 
 
CoCl2
 
 
 
 
 

5-Add or subtract the following measurements. Be sure each answer you enter contains the correct number of significant digits.

4.5 mL + 1.920 mL
=
mL
16.600mL - 1.8 mL
=
mL
8.8mL + 13.50 mL
=
mL
 
 
 
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