Question 1 Which category of the periodic table describes the element K? Answer metal nonmetal metaloid Question 2 Which category of the periodic table describes the element hydrogen? Answer metal nonmetal metaloid Question 3 37Cl- has protons, neutrons, and electrons. Question 4 How many electrons are in carbon-12 with a -1 charge? Answer Question 5 54Mn2+ has protons, neutrons, and electrons. Question 6 Silver-107 with a +1 charge would have protons, neutrons, and electrons. Question 7 33S2- has protons, neutrons, and electrons. Question 8 A species with an atomic number of 33, an atomic mass of 75, and a total of 36 electrons would be which of the following? Answer 42As3+ 42As3- 75As3- 75As3+ Question 9 How many electrons are in 13C+? Answer Question 10 How many protons are there in phosphorus-31? Answer Question 11 Which of the following is the correct symbol for the element:  gold Answer Go G Au Ag Question 12 Give the name of the element that has the symbol: V Answer Question 13   Which of the following is the correct symbol for the element: silver Answer Si S Sr Ag Question 14 Give the name of the element that has the symbol:  P Answer Question 15 Give the name (not the atomic symbol) of the first element in the fourth period of the periodic table. Answer Question 16   Give the name of the element that has the symbol:  Co Answer Question 17 Which of the following is the correct symbol for the element: cesium Answer Ce C Cm Cs Question 18  Give the name of the element that has the symbol:  Tl Answer Question 19 Indicate all of the following statements that are true. Answer The proton and electron have the same mass. The neutron has no charge. The proton and electron have charges of the same magnitude but opposite sign. The neutron and the electron have approximately the same mass. Question 20 Which of the subatomic particles has the smallest mass? Answer Proton Neutron Electron Question 1 How many total atoms are in the molecule: (NH4)2SO4 Answer Question 2 How many total atoms are in the molecule: FeCl3 Answer Question 3 Name the following compound:  H2SO3 Answer Question 4   Name the following compound:  ZnO Answer Question 5   Name the following compound:  TiO2 Answer Question 6 Name the following compound:  Zn(IO4)2 Answer Question 7 Name the following compound: PbCrO4 Answer Question 8 Name the following compound: P2O5 Answer Question 9 Name the following compound:  CdBr2 Answer Question 10 Name the following compound:  CaSO4 Answer Question 11 Name the following compound: CaI2 Answer Question 12 Name the following compound: Fe(OH)3 Answer Question 13 Which of the following is the correct formula for rubidium hydrogen phosphate? Answer RbHPO4 RbHPO3 Rb2HPO4 Rb2HPO3 Rb(HPO4)2 Rb(HPO3)2 Rb3(HPO4) Rb3(HPO3) Question 14 Which of the foll ...

1. Question 1
Which category of the periodic table describes the element K?
Answer
metal
nonmetal
metaloid
Question 2
Which category of the periodic table describes the element
hydrogen?
Answer
metal
nonmetal
metaloid

2. Question 3
37Cl- has protons, neutrons, and electrons.
Question 4
How many electrons are in carbon-12 with a -1 charge?
Answer
Question 5
54Mn2+ has protons, neutrons, and electrons.
Question 6
Silver-107 with a +1 charge would have protons, neutrons, and
electrons.
Question 7
33S2- has protons, neutrons, and electrons.
Question 8
A species with an atomic number of 33, an atomic mass of 75,
and a total of 36 electrons would be which of the following?
Answer
42As3+
42As3-
75As3-

3. 75As3+
Question 9
How many electrons are in 13C+?
Answer
Question 10
How many protons are there in phosphorus-31?
Answer
Question 11 Which of the following is the correct symbol for
the element: gold
Answer
Go
G
Au
Ag
Question 12
Give the name of the element that has the symbol: V
Answer
Question 13
Which of the following is the correct symbol for the
element: silver
Answer

4. Si
S
Sr
Ag
Question 14 Give the name of the element that has the symbol:
P
Answer
Question 15
Give the name (not the atomic symbol) of the first element in
the fourth period of the periodic table.
Answer
Question 16
Give the name of the element that has the symbol: Co
Answer
Question 17
Which of the following is the correct symbol for the element:
cesium
Answer
Ce
C

5. Cm
Cs
Question 18
Give the name of the element that has the symbol: Tl
Answer
Question 19
Indicate all of the following statements that are true.
Answer
The proton and electron have the same mass.
The neutron has no charge.
The proton and electron have charges of the same magnitude but
opposite sign.
The neutron and the electron have approximately the same mass.
Question 20
Which of the subatomic particles has the smallest mass?
Answer
Proton
Neutron

6. Electron
Question 1
How many total atoms are in the molecule: (NH4)2SO4
Answer
Question 2
How many total atoms are in the molecule: FeCl3
Answer
Question 3
Name the following compound: H2SO3
Answer
Question 4
Name the following compound: ZnO
Answer
Question 5
Name the following compound: TiO2
Answer
Question 6
Name the following compound: Zn(IO4)2
Answer
Question 7
Name the following compound: PbCrO4
Answer

7. Question 8
Name the following compound: P2O5
Answer
Question 9
Name the following compound: CdBr2
Answer
Question 10
Name the following compound: CaSO4
Answer
Question 11
Name the following compound: CaI2
Answer
Question 12
Name the following compound: Fe(OH)3
Answer
Question 13
Which of the following is the correct formula for rubidium
hydrogen phosphate?
Answer
RbHPO4
RbHPO3
Rb2HPO4

8. Rb2HPO3
Rb(HPO4)2
Rb(HPO3)2
Rb3(HPO4)
Rb3(HPO3)
Question 14
Which of the following is the correct formula for calcium
chloride?
Answer
CaCl
CaCl2
Ca2Cl
Ca2Cl2
CaClO2

9. Ca(ClO2)2
CaClO3
Ca(ClO3)2
Question 15
Which of the following is the correct formula for beryllium
carbonate?
Answer
BeCO3
Be(CO3)2
Be2(CO3)
Be2(CO3)2
BeC
Be2C
Be4C2
Be2C4

10. Question 16
Which of the following is the correct formula for iron(II)
phosphite?
Answer
FePO4
FePO3
Fe2PO4
Fe2PO3
Fe3(PO4)2
Fe3(PO3)2
Fe2(PO4)3
Fe2(PO3)3
Question 17
Which of the following is the correct formula for nickel(II)
perbromate?
Answer

11. NiBr2
Ni2Br2
NiBrO
Ni(BrO)2
NiBrO2
Ni(BrO2)2
Ni(BrO3)2
Ni(BrO4)2
Question 18
Which of the following is the correct formula for sodium
silicate?
Answer
NaSi
Na2Si
Na3Si

12. Na4Si
NaSiO3
Na2SiO3
Na3SiO3
Na4SiO3
Question 19
Which of the following is the correct formula for scandium(III)
dichromate?
Answer
Sc3Cr2O7
Sc(Cr2O7)3
Sc2(Cr2O7)3
Sc3(Cr2O7)2
Sc3(CrO4)2

13. Sc2(CrO4)3
Sc3Cr2O4
Sc2Cr2O4
Question 20
Which of the following is the correct formula for sodium oxide?
Answer
NaO
NaO2
Na2O
Na2O2
Na3O
NaO3
Na2O3

14. Na3O2
Question 21
Which of the following is the correct formula for zinc hydrogen
carbonate?
Answer
ZnHCO3
Zn(HCO3)2
Zn2(HCO3)
Zn2(HCO3)2
ZnH(CO3)2
ZnH2(CO3)2
(ZnH)2(CO3)3
(ZnH)3(CO3)2
17
20

15. 18