Naming and writing ionic formulas

Na₂S

• Sodium Sulfide
• Sodium Sulfate
• Sodium Sulfite
• Disodium Sulfide

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂

Tags

NGSS.MS-PS1-1

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

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Tags

NGSS.HS-PS1-2

Name this compound: 
NaBr

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

Name this compound: 
KF

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

Ionic compounds are written with

• cation (+ ion) first then anion (- ion)
• anion (- ion) first then cation (+ ion)
• either way is fine
• polyatomic ions first

What is the formula for the compound formed by Ba and Br ?

• BrBa

• Br₂Ba₂

• BaBr₂

• Br₂Ba

What is the formula for the compound formed by Ca and O?

• CaO

• OCa

• Ca_-2O₊₂

• Ca₂O₂

What is the formula for the compound formed by Ca and P?

• PCa

• P₂Ca₃

• CaP

• Ca₃P₂

What is the correct name for MgI₂?

• Manganese IV iodide
• Manganese diiodide
• Magnesium iodide
• Magnesium diiodide

Tags

NGSS.HS-PS1-2