Test - Ionic Compounds

Which of these has five valence electrons?

• Nitrogen

• Oxygen

• Hydrogen

• Chlorine

Tags

NGSS.HS-PS1-1

An atom of Beryllium can bond to two atoms of:

• Nitrogen

• Oxygen

• Chlorine

• Sulfur

What is the net charge of an ionic compound?

• Four

• Zero

• One

• Eight

Which of the following will become a positively charged cation?

• An atom with 2 valence electrons

• An atom with 7 valence electrons

• An atom with 5 valence electrons

• An atom with 8 valence electrons

Tags

NGSS.HS-PS1-1

A compound that has a formula of SrF2 is named:

• Calcium Fluoride

• Strontium Fluoride

• Fluorine Strontide

• Strontium Difluoride

What formula results when Ca⁺²  and  Br^- ions bond?

• Ca₂Br₂
• CaBr
• Ca(br)₂
• CaBr₂

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• LiO
• Li₂O
• LiO₂
• Li₂O₂

How are Ionics held together?

• they are not

• Weak bonds

• Crystalline lattice

• Like charges

Tags

NGSS.HS-PS2-4