Station 2 Writing Chemical formulas

What is the correct Chemical formula for Ammonium cyanate?

• NH4CNO

• NH4CNo2

• NiH4CNiO

• NtH24CNtO

Answer explanation

The correct chemical formula for Ammonium cyanate is NH4CNO. This formula indicates one ammonium ion (NH4+) and one cyanate ion (CNO-), making NH4CNO the accurate representation.

What is the correct Chemical formula for Zinc oxide?

• ZnO

• Sno2

• ZNiO

• ZNtO

Answer explanation

The correct chemical formula for Zinc oxide is ZnO. This formula indicates one zinc (Zn) atom and one oxygen (O) atom, which is the standard representation for this compound. The other options are incorrect.

Tags

NGSS.MS-PS1-1

What is the correct Chemical formula for Beryllium chloride?

• BeCl2

• BlCl2

• BeeCl3

• BeCL2

Answer explanation

The correct chemical formula for Beryllium chloride is BeCl2. This indicates one beryllium (Be) atom and two chlorine (Cl) atoms. The other options contain incorrect symbols or quantities.

What is the correct Chemical formula for Silver hydrogen sulfate?

• AgHSO4

• Ag(HSO3)2

• Ag3(HSO2)2

• Ag(H2SO3)2

Answer explanation

The correct chemical formula for Silver hydrogen sulfate is AgHSO4. This formula indicates one silver ion (Ag+) and one hydrogen sulfate ion (HSO4-), accurately representing the compound.

What is the correct Chemical formula for Iron (III) chlorite?

• Fe(ClO2)3

• Ir(ClO3)3

• Io(ClO2)2

• INt(CLO3)3

Answer explanation

The correct formula for Iron (III) chlorite is Fe(ClO2)3. Iron (III) indicates a +3 oxidation state, and chlorite is represented by ClO2. The other options contain incorrect elements or formulas.

Tags

NGSS.HS-PS1-2

What is the correct Chemical formula for Copper (I) oxalate?

• Cu2C2O4

• Cp2C2O3

• Co2C2O2

• Cu2C2O3

Answer explanation

Copper (I) oxalate consists of two copper (Cu) ions and one oxalate (C2O4) ion. The correct formula is Cu2C2O4, indicating two copper ions combined with the oxalate ion.

Tags

NGSS.HS-PS1-1

What is the correct Chemical formula for Lead (II) hydrogen phosphate?

• PbHPO4

• Pb2HPo3

• PBeHPO2

• LeH2PO3

Answer explanation

The correct chemical formula for Lead (II) hydrogen phosphate is PbHPO4. This indicates lead in the +2 oxidation state combined with the hydrogen phosphate ion (HPO4)2-, making PbHPO4 the accurate representation.

What is the correct Chemical formula for Cobalt (II) chromate?

• CoCrO4

• CoCrO3

• CoCrO2

• CoCrO

Answer explanation

Cobalt (II) indicates a +2 oxidation state for cobalt. Chromate has a formula of CrO4 with a -2 charge. To balance the charges, one Co^2+ ion combines with one CrO4^2- ion, resulting in the formula CoCrO4.

Tags

NGSS.HS-PS1-2

What is the correct Chemical formula for Lead (II) bromide?

• PbBr2

• Pb2Bm2

• PBeBer2

• LeBr2

Answer explanation

The correct chemical formula for Lead (II) bromide is PbBr2. This indicates one lead (Pb) ion and two bromide (Br) ions, which is consistent with the +2 oxidation state of lead.

What is the correct Chemical formula for Copper (II) iodide?

• CuI2

• CpI2

• CoI2

• CuId2

Answer explanation

Copper (II) iodide is composed of one copper (Cu) ion with a +2 charge and two iodide (I) ions, each with a -1 charge. Therefore, the correct chemical formula is CuI2, indicating two iodide ions for each copper ion.

Tags

NGSS.HS-PS1-1