Which of the following are properties of ionic compounds?(check all that apply)

• low boiling point

• conductive

• insulator

• always solid at room temperature

• high melting point

Ionic compounds consist of

• two metals

• two nonmetals

• a metal and a nonmetal

What is the correct formula for the compound, lithium oxide?

• LiO
• Li₂O
• LiO₂
• Li₂O₂

Tags

NGSS.MS-PS1-1

Which of the following combinations would need roman numerals in the name?

• potassium + fluorine

• beryllium + oxygen

• boron + iodine

• iron + oxygen

The name for CrN:

• Chromium nitride
• Chromium (I) nitride
• Chromium (III) nitride
• Chromium nitride (III)

What is the formula for aluminum fluoride?

• AlF
• Al₂F₃
• AlF₃
• Al₃F₂

Name the following ionic compound: BeCl₂

• beryllium chlorine

• beryllium II chloride

• beryllium chloride

• beryllium dichloride

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

• AlCl₃
• Al₃Cl
• AlCl
• Al₃Cl₃

Tags

NGSS.MS-PS1-1

The chemical formula of iron (III)bromide is

• FeBr
• Fe(III)Br
• FeBr₃
• Fe₂Br₃

When naming ionic compounds you always write the name of the positive element  _______ .

• first
• second
• with "ide"
• with a prefix