CHEMICAL NAMES and FORMULAS (Mr. Lind)

Vocabulary / Basics

100

DAILY DOUBLE!

Give an example of a monatomic...

1. cation

2. anion

various: both must be a single element

1. must be +

2. must be -

200

Give an example of a polyatomic ion

Various

300

What ion (or type of element) is on the right in every chemical formula and name?

the anion (negatively charged) or nonmetal

400

*TEST QUESTION!

Prefixes (mono, di, tri, etc) are used to name __ bonded compounds.

covalently

(nonmetal + nonmetal)

500

*TEST QUESTION!

"The atoms within polyatomic ions are bonded together __."

Covalently

(nonmetal + nonmetal)

Naming Compounds

100

Write the formula for lithium bromide

LiBr

200

Write the formula for hydrogen oxide

H₂O

300

Write the formula for calcium nitrate?

Ca(NO₃)₂

400

Write the name of (NH₄)₃PO₄

ammonium phosphate

500

Write the name of Fe(ClO₄)₃

iron (III) perchlorate

Naming Acids

100

Write the formula for nitrous acid

HNO₂

(NO₂)^- = nitrite

200

DAILY DOUBLE!

1) Acids have a pH of __ 7.    (<, >, or =)

2) All acids contain what ion?

1) < 7

2) H⁺

300

What is the acid name of HBr?

hydrobromic acid

400

Write the formula for phosphoric acid

H₃PO₄

500

DAILY DOUBLE!  

1) Write the formula for hydrochloric acid

2) Write the formula for chloric acid?

1) HCl

2) HClO₃

Naming Molecules

100

Write the formula for carbon dioxide

CO₂

200

Write the formula for dihydrogen monoxide

H₂O

300

Write the name of N₂O₃

dinitrogen trioxide

400

Write the formula for sulfur hexafluoride

SF₆

500

What is the name of C₈H₁₈ ?  

HINT: it's how they grade gasoline!

Octane

Potpourri

100

When writing formulas for compounds and molecules, what is always the result of the charges of the cations and anions?

They cancel (add up to zero)

200

DAILY DOUBLE!

1. What does a roman numeral represent in a chemical name?

2. In what situations (for what elements) are they needed?

1.  it's the charge of the cation (metal, +)

2.  used for transition metals w/ multiple charges

300

DAILY DOUBLE!

1.  What are the 2 types of acids called?  

2.  Write a general formula for each (or give an example of each)

1.  Binary acids and Oxyacids

2.  Binary = HX 

     (2 elements, 1 is hydrogen)

     Oxyacids + HXO 

     (3 elements: hydrogen + oxygen + X)

    

400

"Vinegar" is substance used for household cleaning.  It's main ingredient has the formula:

H(C₂H₃O₂)

What is the main ingredient in vinegar?

acetic acid

500

Next year will be Superbowl 60 at Levi's Stadium (home of the 49ers).  What will the roman numeral be on the Superbowl logos next year?

LX = 60