Naming and Writing Compounds

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

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

In most cases, when naming you change the ending of the second element to ________.

• -ate.
• -ite.
• -ide.
• -ine.

What is the formula for calcium phosphide?

• CaP
• Ca₂P₃
• Ca₃P₂
• Ca₂P

Carbon dioxide

• C₂O₂
• C₂0
• CO
• CO₂

Tags

NGSS.MS-PS1-1

Phosphorous trichloride

• PCl₃
  
• P₃Cl
• P₃Cl₃
• PCL

Disulfur trioxide

• S₃O₂
• SO
• S₂O₃
• S₂O

What is the name of the compound with the formula FePO₄?

• iron phosphate
• iron (II) phosphate
• iron (IV) phosphate
• iron (III) phosphate

What kind of bond forms when atoms share electrons?

• Chemical bond
• Ionic bond
• Covalent bond
• Electron bond

Tags

NGSS.HS-PS1-1

Name this compound: 
NH₄F

• Ammonia fluoride
• Ammonium fluorite
• Ammonia fluorate
• Ammonium fluoride

Which of these is an ionic compound?

• MgCl₂
• SiSe₂
• I₃P
• CO₂

Tags

NGSS.HS-PS1-3