Sci8 Writing Ionic/Molecular Formula m

Which of these combinations is an ionic compound made of?

• Metal and Metal
• Nonmetal and Nonmetal
• Metal and Nonmetal
• Cation and Cation

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Which of the following is an example of an IONIC COMPOUND?

• NaCl
• H₂O
• CO₂
• NO

Tags

NGSS.HS-PS1-2

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

• LiO

• Li₂O

• LiO₂

• Li₂O₂

Tags

NGSS.HS-PS1-2

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂

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

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Tags

NGSS.HS-PS1-1

The chemical formula of magnesium phosphide is

• MgP
• Mg₂P₃
• Mg₃P₂
• Mg₃(PO₄)₂

What usually forms a positive ion?

• metal

• nonmetal

• metalloid

• there is no way to tell

What is the formula for Lithium Oxide?

• LiO
• LiO₂
• Li₂O
• Li₂O₃

What is the best definition for subscript?
 

• The big number that tells you the number of molecules.
• The atomic number
• The little number that tells the number of atoms for each element.

Tags

NGSS.MS-PS1-1

What is the best definition for coefficient?
 

• The big number that tells you the number of molecules.
• The little number that tells the number of atoms for each element.
• The atomic number

Tags

NGSS.MS-PS1-1