Bonding: Ionic or Molecular?

The chemical bonding of tri-silicon tetra nitride uses

• charges, because it is ionic

• prefixes because it is molecular

• transferring of electrons to achieve octet

• sharing of electrons to achieve octet

The charge of anion in the potassium phosphate compound is

• +1

• -1

• +3

• -3

Covalent bonding produces molecular compounds. Which of the following are molecular compounds?

• boron trihydride

• potassium cyanide

• sulfur difluoride

• barium iodide

Which of the following are ionic compounds?

• SF₂

• PbCl₂

• BaI₂

• P₄O₁₀

Tags

NGSS.HS-PS1-3

Which is the correct pair of prefixes for dinitrogen pentoxide?

• N:2

  P:5

• N:1

  O:5

• N:2

  O:5

• P:2

  N:3

What is the correct chemical name for dihydrogen monoxide?

• HO₂

• H₂O

• O₂H₂

• H₂O₂

Tags

NGSS.HS-ESS2-5

In the compound aluminum nitrate, which pair correctly describes the charges of the ions?

• Al⁺¹

  (NO₃)₂

• Al⁺³

  (NO₃)^-1

• Al^-3

  NO⁺¹

• Al^-1

  NO₃

Tags

NGSS.HS-PS1-2

Which is the correct chemical formula for manganese (IV) bromide?

• MnBr₄

• Mn₄Br

• MgB₄

• Mg₄B

Two compounds are shown below:

A. PCl₅

B. Co₃(PO₄)₂

Which pair list the correct chemical names of the compounds listed above?

• A. pentaphosphorus chloride

  B. cobalt phosphate

• A. monophosphorus pentachloride

  B. tricobalt phosphate

• A. phosphorus pentachloride

  B. cobalt (II) phosphate

• A. phosphorus pentachloride

  B. copper (II) phosphate

Which are ionic bonds?

• carbon tetrahydride

• strontium hydroxide

• iodine tetrafluoride

• lead sulfate