The polyatomic ion:  SO₄^2- has the name

• Phosphate
• Sulfate
• Sulfite
• Sulfur tetra oxide

What formula results when Ca ions and Br ions bond?

• Ca₂Br₂

• CaBr

• Ca(br)₂

• CaBr₂

Tags

NGSS.MS-PS1-1

Co⁺² combines with NO₂^-  to form

• Co₃(NO)₂
• Co(NO₂)₂
• NO(Co)₂
• CO(No)₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂

Tags

NGSS.MS-PS1-1

Name this compound: 
KF

• Potassium fluoride
• Potassium fluorite
• Fluorine potasside 
• Potassium fluorate

Name this compound: 
NaBr

• Bromide sodide
• Sodium bromide
• Sodium bromate
• Sodium bromite

Name this compound: 
NH₄F

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

Tags

NGSS.MS-PS1-1

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

• potassium + fluorine
• beryllium + oxygen
• boron + iodine
• silver + oxygen

Write the formula for copper (I) phosphide

• Cu₃P
• CuP
• Cu₁P
• CuP₃

Tags

NGSS.HS-PS1-2

calcium phosphate

• CaPO₄
• Ca₂(PO₄)₃
• Ca₃PO₄
• Ca₃(PO₄)₂

Tags

NGSS.MS-PS1-1