CHEM 1405 Lone Star College Introduction to Chemistry Chemical Formula Worksheet There is a file of assignment below, please help me finish everything befo

CHEM 1405 Lone Star College Introduction to Chemistry Chemical Formula Worksheet There is a file of assignment below, please help me finish everything before 8a.m. tmr central time. Full Name: :________________________________________________
Section: (morning/evening):______________________
CHEM 1405 Introduction to Chemistry
Due: 8:00 am 04/23/2020
Total marks: 39.0/3=13.0
Note: Read each question carefully, and answer the following questions by showing all
of your calculations in the space provided. PARTIAL CREDIT WILL BE GIVEN. IF
NO WORK IS SHOWN YOU WILL GET NO CREDIT.
Problem1 Write the correct chemical formula for each of the binary compound.
Row
Name of the Compound
Number
1
Lead (IV) oxide
2
Mercury(I) phosphide
3
Tin (IV)oxide
4
Iron (III) oxide
5
Magnesium bromide
6
Potassium oxide
Correct Chemical Formula
Problem 2 Write out in words the name of each of the following compound.
Row
Chemical formula
Number
1
Na3 N
2
Cu3 P
3
SrO
4
Zn F2
5
Al2 O3
6
(Hg2 )3 N2
(6 Points)
Name of the Compound
(7 Points)
7
Li3 P
Problem 3. Refer to the periodic table and write the predicted electron configuration of each of
the following atoms/ions in terms of the Nobel gas configuration. (5 Points)
Row
Number
1
2
3
4
5
Atoms/Ions
P
Fe+3
Se-2
Cl-1
Ca+2
Problem 4 (3 Points)
Write the complete electron configuration for Sulfur and then
fill in the electrons on the orbital diagram to the right.
3p
3s
2p
Problem 5 (4 Points )
Answer the following questions based on the electromagnetic
2s
spectrum given below.
E= h?
c = ??
-34
h= 6.626 x 10
1s
8
c = 3.00 x 10 m/s
A. Does a gamma ray photon or an ultraviolet ray photon have more energy? Which has higher
frequency? Which has shorter wavelength? Which travels at a faster speed? Explain, no
calculation needed.
B. Radiation with a wavelength of 5.10 E -9 m would belong to what type of radiation? If it is in
visible spectrum what color would it be?
C. What would be the frequency of the light described in part B?
D. What would be the energy of a photon with a wavelength of 5.10 E -9 m? (as in part B and C)
Problem 6 (4 Points)
A. Put the following atoms in order of increasing atomic radius: Ca, Sr, Mg, Be, B.
B. Explain the ordering in (A) in terms of electron configuration, shell size, and effective nuclear
charge.
C. Put the following in order of increasing ionization energy: N, C, B, F
D. Explain the ordering in (C) in terms of electron configurations and atomic radius.
Problem 7 ( 10 Points)
Draw the correct Lewis structure and list the proper electron and molecular
geometries.
1 . CN
Electron Geometry
Molecular Geometry
2. S02
Electron Geometry
Molecular Geometry
3. po43-
Electron Geometry
Molecular Geometry
4.
As F6
Electron Geometry
Molecular Geometry
5.
C2H4
Electron Geometry
Molecular Geometry
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