4f Formative - Writing Binary Ionic Formula from Names

What would be the correct formula for Barium Sulfide?

• Ba₂S₂

• Ba₂S

• BaS₂

• BaS

Tags

NGSS.MS-PS1-1

A new jet fuel was found by combining a random alkali metal (element Yy) with a random halogen (element Ww). What would be the correct chemical formula for this element?

• Yy₂Ww₂

• Yy₂Ww

• YyWw₂

• YyWw

Tags

NGSS.MS-PS1-1

Looking at the back of a new sports drink you notice they have Beryllium Fluoride as one of the ingredients. What would the formula for this ionic bond be?

• F₂Be

• BeF₂

• Be₂F

• FBe₂

Tags

NGSS.MS-PS1-1

Tabatha was trying to help the lake behind her house. It is currently experiencing eutrophication. Tabatha thinks she can neutralize the elements causing the eutrophication and save the lake. If the problem is caused by having to much Nitrogen, what element can she combine with Nitrogen to form a 1:1 ratio?

• Calcium

• Phosphorous

• Gallium

• Sodium

If you had to write the correct formula name for Strontium Iodide what would you write?

• SrI

• Sr₂I

• SrI₂

• I₂Sr

• ISr₂

Tags

NGSS.MS-PS1-1

What would the correct ratio of elements be in to create the correct ionic formula for Cesium Sulfide?

• 1:1
• 2:1
• 1:2
• 1:3

If you were to change Aluminum Bromide into it's chemical formula, how many Bromine atoms would you use in a correct formula?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1