Problems 

Chapter Unit 4-1

 Complete the following:  

Write the proper symbol and atomic mass for the following:

Radium         Iron Silicon Cesium        Hafnium

Write the proper name and atomic number for the following:

O                       Xe                           Os                            Tb                            Tm

ANSWERS BELOW

Write the proper symbol and atomic mass for the following:

Radium         Iron Silicon Cesium        Hafnium

Ra 226 g/mol, Fe 55.85 g/mol, Si 28.09 g/mol, Cs 132.9 g/mol, Hf 178.5 g/mol

Write the proper name and atomic number for the following:

O                       Xe                           Os                            Tb                            Tm

Oxygen 8, Xenon 54, Osmium 76, Terbium 65, Thulium 69

Chapter Unit 4-1

 Complete the following:  

Write the proper symbol, list the shell, and the # of valence electrons for the following:

Radon     Nickel       Helium        Sulfur          Iodine

Write the proper name, list the shell, and division for the following:

V                       Ir                             Po                            Ba                            Na

ANSWERS BELOW

Write the proper symbol, list the shell, and the # of valence electrons for the following:

Radon     Nickel       Helium        Sulfur           Iodine

Rn                     Ni                            He                           S                              I

Shell P    D             S           P           P

8            varies            2                              6                              7     

Write the proper name, list the shell, and division for the following:

   V       Ir          Po             Ba                Na

Vanadium  Iridium   Polonium  Barium  Sodium

Shell D        D         P       S          S

  Metal                  metal     metalloid metal       metal

Chapter Unit 4-1

 Complete the following:  

Write the proper symbol, and the # of valence electrons for the following:

Magnesium Zinc Hydrogen Lithium    Gold

Write the proper name, shell, and mass for:

Pb                      Te                            Zr                            Fr                             Ce

ANSWERS BELOW

Write the proper symbol, and the # of valence electrons for the following:

Magnesium Zinc    Hydrogen    Lithium Gold

Mg, 2     Zn, varies    H, 1   Li, 1   Au, Varies

Write the proper name, shell, and mass for:

Pb                      Te                            Zr                            Fr                             Ce

Pb, Lead-p shell 207.2 g/mol

Te, Tellurium- p shell 127.6 g/mol

Zr, Zirconium- d shell 91.22 g/mol

Fr, Francium- s shell 223.0 g/mol

Ce, Cerium- f shell 140.12 g/mol

Chapter Unit 4-1

 Complete the following:  

Write the proper symbol, list the shell, and the # of valence electrons for the following:

Vanadium Tin   Silver    Antimony Osmium

Write the proper name, list the # of valence electrons, and atomic number for:

Pd                      Tc                            Tl                             At                            P

ANSWERS BELOW

Write the proper symbol, list the shell, and the # of valence electrons for the following:

Vanadium Tin   Silver Antinmony    Osmium

V varies,   Sn 4 e-,  Ag varies, Sb 5 e- Os varies

d-shell        p-shell d-shell     p-shell        d-shell

Write the proper name, list the # of valence electrons, and atomic number for:

Pd                      Tc                            Tl                             At                            P

Palladium  Technetium Thallium Astatine Phosphorous

Varies        varies       3              7                5

   46            43            81         85        15

Chapter Unit 4-1

 Complete the following:  

Write the proper symbol, list the shell, and the # of valence electrons for the following:

Ytterbium    Mercury Terbium  Curium        Astatine

Write the proper name, list the level(period)and the charge for the following:

Fr                       I                               P                  H                             As

ANSWERS BELOW

Write the proper symbol, list the shell, and the # of valence electrons for the following:

Ytterbium    Mercury Terbium  Curium        Astatine

Ytterbium = Yb, f shell, e- vary

Mercury = Hg, d shell, e- vary 

Terbium = Tb, f shell, e- vary

Curium = Cm, f shell, e- vary

Astatine = At, p shell, 7 e-

Write the proper name, list the level(period)and the charge for the following:

Fr                       I                               P                  H                             As

Fr = Francium, level 7, +1

I = Iodine- level 5, -1

P = Phosphorous- level 3, -3

H = Hydrogen- level 1, +1

As  = Arsenic- level 4, -3

Chapter Unit 4-1

 Complete the following:  

Write the proper symbol, Valence electrons, shell, and atomic mass for the following:

Platinum      Cobalt  Sulfur Actinium     Bismuth

Write the proper name, level(period), group, and atomic number for the following:

Al                      Ge           K                  As                          Cl   

ANSWERS BELOW

Write the proper symbol, Valence electrons, shell, and atomic mass for the following:

Platinum      Cobalt  Sulfur Actinium     Bismuth

Platinum = Pt, e- vary, d-shell, 195.1 g/mol

Cobalt = Co, e- vary, d-shell, 58.93 g/mol       

Sulfur = S, 6 e-, p-shell, 32.06 g/mol   

Actinium = Ac, e- vary, f-shell, 227 g/mol      

Bismuth = Bi, 5 e- , p-shell, 209 g/mol

Write the proper name, level, group, and atomic number for the following:

Al                      Ge               K                  As                          Cl   

Al = Aluminum, level 3, metal, At. #13

Ge   = Germanium, level 4, metalloid, At. #32 

K= Potassium, level 4, metal, At. #19

As= Arsenic, level 4, metalloid, At. #33

Cl=Chlorine, level 3, nonmetal, At. #17

Chapter Unit 4-1

 Complete the following:  

Write the proper symbol, Valence electrons, shell, and atomic mass for the following:

Helium        Silicon  Selenium    Rhodium     Polonium

Write the proper name, level(Period), division, and atomic number for the following:

Fr           Mg               Sb                 At                          Ne  

ANSWERS BELOW

Write the proper symbol, Valence electrons, shell, and atomic mass for the following:

Helium        Silicon  Selenium    Rhodium     Polonium

Helium = He, 2 e-, s-shell, 4.003 g/mol

Silicon = Si, 4 e-, p-shell, 28.0855 g/mol 

Selenium = Se, 6 e-, p-shell, 78.96 g/mol

Rhodium = Rh, e- vary, d-shell, 102.9055 g/mol 

Polonium = Po, 6 e- , p-shell, 208.9824 g/mol

Write the proper name, level, division, and atomic number for the following:

Fr           Mg               Sb                 At                          Ne  

Fr = Francium, level 7, metal, 87

Mg = Magnesium, level 3, metal, 12 

Sb= Antimony, level 5, metalloid, 51

At= Astatine, level 6, metalloid, 85

Ne=Neon, level 2, Nonmetal, 10

Chapter Unit 4-1

 Complete the following:  

Write the proper symbol, list the Charge, and division for the following:

Radon     Nickel       Helium        Sulfur         Iodine

Write the proper name, list the Level(period), and the # of valence electrons for the following:

V                       Ir                             Po                            Ba                            Na      La

ANSWERS BELOW

Write the proper symbol, list the Charge, and division for the following:

Radon   Rn, 0, Nonmetal

Nickel   Ni, varies, Metal

Helium  He, 0, Nonmetal

Sulfur   S, -2, Nonmetal

Iodine  I, -1, Nonmetal

Write the proper name, list the Level, and the # of valence electrons for the following:

V           Vandium, 3, Varies

Ir                       Iridium, 5, Varies

Po          Polonium, 6,    6

Ba         Barium, 6, 2

Na     Sodium, 3,  1

La          Lanthanum, 4, Varies 

1.  Calculate the density for the following!

a.      What is the density if 100 g occupies a space of 5 ml?

Density =mass/volume

Density= 100 g/5ml

Density= 20 g/ml

b.      What is the density if 15 g occupies a space of 5 cm3?

Density =mass/volume

Density= 15 g/5 cm3

Density= 3 g/cm3

c.   What is the density if 10 g occupies a space of 20 ml?

Density =mass/volume

Density= 10 g/20 ml

Density= 0.5 g/ml

2.  Calculate the density for the following!

a.      What is the density if 1 g occupies a space of 5 ml?

Density =mass/volume

Density= 1 g/5ml

Density= 0.2 g/ml

b.  What is the density if 50 g occupies a space of 5 cm3?

Density =mass/volume

Density= 50 g/5 cm3

Density= 10 g/cm3

c.   What is the density if 20 g occupies a space of 20 ml?

Density =mass/volume

Density= 20 g/20 ml

Density= 1 g/ml

3.  Calculate the following!

a.      What is the volume if the mass is 4 g and the density is 2 g/ml?

Volume =mass/density

Volume = 4 g/2 g/ml

Volume = 2 ml

b.  What is the mass if density is 6 g/cm3 occupies a space of 5 cm3?

Mass =(density)volume

Mass = (6 g/cm3) 5 cm3

Mass = 30 g

c.   What is the density if 10 g occupies a space of 20 ml?

Density =mass/volume

Density= 10 g/20 ml

Density= 0.5 g/ml

4.  Calculate the following!

a.      What is the volume if the mass is 10 g and the density is 20 g/ml?

Volume =mass/density

Volume = 10 g/20 g/ml

Volume = 0.5 ml

b.  What is the mass if density is 2 g/cm3 occupies a space of 5 cm3?

Mass =(density)volume

Mass = (2 g/cm3) 5 cm3

Mass = 10 g

c.   What is the density if 30 g occupies a space of 300 ml?

Density =mass/volume

Density= 30 g/300 ml

Density= 0.1 g/ml

5.  Calculate the following!

a.      What is the volume if the mass is 3 g and the density is 15 g/ml?

Volume =mass/density

Volume = 3 g/15 g/ml

Volume = 0.2 ml

b.  What is the mass if density is 0.25 g/cm3 occupies a space of 4 cm3?

Mass =(density)volume

Mass = (0.25 g/cm3) 4 cm3

Mass = 1 g

c.   What is the density if 24 g occupies a space of 8 ml?

Density =mass/volume

Density= 24 g/8 ml

Density= 3 g/ml

6.  Calculate the following!

a.      What is the density if the volume is 10 ml and the mass is 40 g?

Density =mass/volume

Density= 40 g/10 ml

Density= 4 g/ml

b.  What is the mass if density is 4 g/cm3 occupies a space of 12 cm3?

Mass =(density)volume

Mass = (4 g/cm3) 12 cm3

Mass =48g

c.   What is the volume if the density is 1.5 g/ml and the mass is 3 grams?

Volume =mass/density

Volume = 3 g/1.5 g/ml

Volume = 2 ml

Name the elements and calculate the mass for the following:

Sc +     Se   à   ScSe

Fe +    P   à   FeP

Write the equation and calculate the mass for the following:

Nickel (II) and Sulfur form Nickel (II) Sulfide

ANSWERS BELOW

Name the elements and calculate the mass for the following:

Se + Sc   à   ScSe

Selenium Scandium  form Scandium Sellinide

79g/mol + 45 g/mol = 124 g/mol

Fe + P   à   FeP

Iron(III)  Phosphorus  form Iron(III) Phosphide

56 g/mol+31g/mol= 87 g/mol

Write the equation and calculate the mass for the following:

Nickel (II) and Sulfur form Nickel (II) Sulfide

Ni   +  S  à NiS

59 g/mol+32g/mol= 91g/mol

Name the elements and calculate the mass for the following:

Ga + As   à   GaAs

Ca + Te  à   CaTe

Write the equation and calculate the mass for the following:

Zinc (II) and Selenium form Zinc (II) Selenide

ANSWERS BELOW

Name the elements and calculate the mass for the following:

Ga + As   à   GaAs

70 g/mol+75g/mol= 145 g/mol

Gallium Arsenic  form Gallium Arsenide

Ca + Te  à   CaTe

40 g/mol+128g/mol= 168 g/mol

Calcium Tellurium  form Calcium Telluride

Write the equation and calculate the mass for the following:

Zinc (II) and Selenium form Zinc (II) Selenide

Zn  +  Se  à ZnSe

65 g/mol+79g/mol= 144g/mol

Name the elements and calculate the mass for the following:

Ba + S   à   BaS

Ga + P  à   GaP

Write the equation and calculate the mass for the following:

Manganese(II) and Tellurium form Manganese(II) Telluride

ANSWERS BELOW

Name the elements and calculate the mass for the following:

Ba + S   à   BaS

Barium Sulfur  form Barium Sulfide

137 g/mol+32g/mol= 169 g/mol

Ga + P  à   GaP

Gallium Phosphorous form Gallium Phosphide

70 g/mol+31g/mol= 101 g/mol

Write the equation and calculate the mass for the following:

Manganese(II) and Tellurium form Manganese(II) Telluride

Mn  +  Te  à MnTe

55 g/mol+128g/mol= 183g/mol

Name the elements and calculate the mass for the following:

S + Cu   à   CuS

Hg + C  à   HgC

Write the equation and calculate the mass for the following:

Selenium and Molybdenum(II) form Molybdenum(II) Selenide

ANSWERS BELOW

Name the elements and calculate the mass for the following:

S + Cu   à   CuS

Sulfur  Copper(II) form Copper(II) Sulfide

32g/mol+63.5g/mol= 95.5g/mol

Hg + C  à   HgC

Mercury(IV)  Carbon form Mercury(IV)Carbide

200.6 g/mol+ 12 g/mol= 212.6 g/mol

Write the equation and calculate the mass for the following:

Selenium and Molybdenum(II) form Molybdenum(II) Selenide

 Se +  Mo à MoSe

79g/mol + 96 g/mol = 175g/mol

Na Name the elements and calculate the mass for the following:

Ga + N   à   GaN

I + Fr  à   FrI

Write the equation and calculate the mass for the following:

Radium and Oxygen form Radium Oxide

ANSWERS BELOW

Name the elements and calculate the mass for the following:

Ga + N   à   GaN

Gallium  Nitrogen form Gallium  Nitride

69.7 g/mol+14/mol= 83.7 g/mol

I + Fr  à   FrI

Iodine  Francium form Francium Iodide

127  g/mol+ 223 g/mol= 350 g/mol

Write the equation and calculate the mass for the following:

Radium and Oxygen form Radium Oxide

 Ra +  O à RaO

226g/mol + 16g/mol = 242g/mol

me the elements and calculate the mass for the following:

Ga + N   à   GaN

I + Fr  à   FrI

Write the equation and calculate the mass for the following:

Radium and Oxygen form Radium Oxide

ANSWERS BELOW

Name the elements and calculate the mass for the following:

Ga + N   à   GaN

Gallium  Nitrogen form Gallium  Nitride

69.7 g/mol+14/mol= 83.7 g/mol

I + Fr  à   FrI

Iodine  Francium form Francium Iodide

127  g/mol+ 223 g/mol= 350 g/mol

Write the equation and calculate the mass for the following:

Radium and Oxygen form Radium Oxide

 Ra +  O à RaO

226g/mol + 16g/mol = 242g/mol