Fe3 po3 2 compound name

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 following is the correct formula for calcium chloride?

Answer

CaCl

CaCl2

Ca2Cl

Ca2Cl2

CaClO2

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

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

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

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

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

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

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