Naming and Formulas

Why do transition metals get different rules for their names and formulas?

• atoms are larger

• cations have many different charges

• they have more protons

• they are rare elements

What is the formula for iron(III) oxide?

• FeO

• Fe(III) O

• Fe₂O₃

• Fe₃O₂

Tags

NGSS.MS-PS1-1

What is the name of this compound? CaBr₂

• calcium(II) bromide

• calcium(1) bromide

• calcium bromine

• calcium bromide

Tags

NGSS.MS-PS1-1

What is the name of this compound? Na₂S

• nitrogen(II) sulfide

• sodium(II) sulfide

• sodium sulfide

• sodium(I) sulfide

Tags

NGSS.MS-PS1-1

When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..

• atomic number

• mass number

• charge

• ionization energy

What is the correct formula for Sodium Oxide?

• NaO

• NaO₂

• Na₂O

• Na₂O₂

Tags

NGSS.MS-PS1-1

The chemical formula for an ionic compound of potassium and oxygen is

• KO.

• K₂O.

• K₂O₂.

• KO₂.

Tags

NGSS.MS-PS1-1

What would be the proper chemical formula for combining Al³⁺ and l^- :

• Al l₃

• Al₃l

• Al l

• Al₃ l₃

Tags

NGSS.MS-PS1-1

Ca⁺², O^-2

• CaO

• OCa

• Ca_-2O₊₂

• Ca₂O₂

Tags

NGSS.MS-PS1-1

The name of FeCl₂ is

• iron chloride

• iron (II) chloride

• iron (I) chloride

• iron dichloride