Chemical Formulas

Crabber Chemistry w/ Ms. Espada

Nov. 30th & Dec. 1st

Learning Intentions

• Practice identifying the IUPAC naming of ionic and molecular compounds

• Practice identifying the chemical formula of ionic and molecular compounds

• Learn how to calculate the formula mass of an ionic or molecular compound

Multiple Choice

Which pair of elements should form an ionic bond?

• Carbon and Oxygen

• Sodium and Fluorine

• Iron and Chromium

• Xenon and Silicon

Multiple Choice

How do you write the formula for Gallium Nitride?

• GaN

• Ga (III) N

• GeN

• GaNi

Multiple Choice

How should you read the formula LiF?

• Lithiide Fluorine

• Lithium Fluorium

• Lithium Fluoride

• Lithium Phosphine

Multiple Choice

How do you write the formula for Sodium Chloride?

• NACL

• NaCl

• nacl

• KI

Multiple Choice

Where are the transition metals found on the periodic table?

• The first 5 elements

• The bottom two rows

• Group 3-12

• Row 3-12

Multiple Choice

Which one is a transition metal?

• Hydrogen (H)

• Oxygen (O)

• Nickel (Ni)

• Phosphorus (P)

Multiple Choice

What is one way to recognize a transition metal?

• If it has a roman numeral

• it says that it is a transition metal

• you cant recognize it

• it has 4 elements

Multiple Choice

Cobalt (III)

• Cu ⁺³

• Co ⁺³

• Cu ^-3

• Co ^-3

Multiple Choice

In the compound TiO₂, titanium has a charge of

• 4⁺

• 2⁺

• 2^-

• 4^-

Multiple Choice

Write formulas for the following compound:

tin (II) fluoride

• SnF₂

• Sn₂F

• FeF₂

• Fe₂F

Multiple Choice

Name the compound using appropriate rules:

FeCl₃

• Chloride Iron

• Iron (III) Chloride

• Chloride III Iron

• I have no clue

Multiple Choice

How many atoms of Oxygen are in this compound?

• 4

• 1

• 12

• 7

Poll

Do you understand how to name ionic compounds?

• Yes

• No

• Need more help

Multiple Choice

What is the name of N₂O₃

• Nitrogen trioxide

• Dinitrogen oxide

• Dinitrogen trioxide

• Nitrogen oxide

Multiple Choice

How many carbon atoms are in butane?

• 1

• 2

• 3

• 4

Multiple Choice

Name the following hydrate: NaCl * 5H₂O

• sodium chloride

• sodium monochloride pentahydrate

• sodium chloride pentahydrate

• pentahydrate

Multiple Choice

Name the following ionic compound: MgSO₄

• magnesium sulfoxide

• magnesium sulfide

• magnesium sulfate

• magnesium oxide

Multiple Choice

Name this formula:

FeSO₄

• Iron (I) Sulfate

• Iron (II) Sulfate

• Iron Sulfate

• Iron Sulfide

Multiple Choice

What is the name of NH₄Cl?

• nitrogen tetrahydrogen chloride

• ammonium chlorine

• ammonium chloride

• ammonium chlorate

Poll

Do you understand how to name covalent and polyatomic compounds?

• Yes

• No

• Need more help

Multiple Choice

When naming binary acids, the ending always changes to:

• -ate

• -ite

• -ic

• -ous

Multiple Choice

What is the formula for hydrochloric acid?

• HCl

• HClO

• H₃ClO₃

• HClO₃

Multiple Choice

Name HF

• hydrofluoric acid

• Hypofluoric acid

• hydrogen fluorine acid

• fluoric acid

Multiple Choice

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Multiple Choice

What is being donated/accepted between conjugate acid-base pairs?

• a hydrogen (H+) ion

• a hydroxide (OH-) ion

• water

• a neutron

Multiple Choice

When naming oxyacids, change "-ate" to:

• -ate

• -ic

• -ous

• -ite

Multiple Choice

Select the name for the following acid: HC₂H₃O₂

• Acetic acid

• Ethanoic acid

• Acenous acid

• Hydroacetic acid

Multiple Choice

carbonic acid

• H₂CO₃

• H₂CrO₄

• H₂C₂O₄

• HCO₃

Multiple Choice

Select the formula for the following base: sodium hydroxide

• NaOH

• Na(OH)₂

• NaH

Multiple Choice

Select the formula for the following base: chromium (III) hydroxide

• Cr(OH)₃

• Cr₃OH

Multiple Choice

If a solution is basic which ion will be more present?

• H+

• K+

• OH-

• H-

Multiple Choice

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red

Poll

Do you understand how to name acids and bases?

• Yes

• No

• Need more help

Success Criteria

• I can identify the proper IUPAC name for ionic and molecular compounds

• I can identify the chemical formula for ionic and molecular compounds

• I can calculate the mass of an ionic or molecular compound

Poll

Did today's practice help you understand naming compounds and identifying chemical formulas better?

• Think I have it

• I do not have it

• Need more practice

• Will email for Friday help

Poll

Can you identify the number of atoms in a compound?

• Yes

• No

• I don't know

• I think I can