Unit 3 Review

Chemical Bonds

100

Covalent bonds are shared between _____ atoms

nonmetal

200

In this bond, electrons are transferred

ionic

300

What type of compounds are salts or crystals?

ionic

400

What is the bond when the charge is less than 2?

covalent

500

____ electrons allow metal to conduct electricity.

Mobile

Lewis Dot Structures

100

In the Lewis Dot Structure for a Ionic Compound the ____ always goes first

metal

200

If C is present, it is always placed in the _____

center

300

The chemical formula for the structure O = C = O is ____

CO₂

400

Which is the correct structure of OF₂?

a. 2[F]⁺[O]^-2

b. F - O - F

b. F - O - F

500

Draw Lewis Dot Structure for Al₂O₃

2[Al]⁺³ 3[O]^-2

Chemical Names

100

What charge does an anion have?

Negative -

200

Name Cl₂O₇

Dichlorine Heptoxide

300

Name Al(CN)₃

Aluminum Cyanide

400

For __________ , the ending of the elements name is dropped, & the ending -ide is added to the first syllable of the element’s name

Monoatomic Anions

500

Name NH₄Cl and state whether it is ionic or covalent

Ionic; Ammonium Chloride

Chemical Formulas

100

When writing chemical formulas simply  subscripts to simplest ______ ratio

Whole Number

200

Formula for Copper (II) Sulfate

CuSO₄

300

Write the chemical formula for triselenium heptoxide

Se₃O₇

400

What is the chemical formula for ammonium sulfate?

(NH₄)₂(SO₂)

500

SbI₃ is also known as?

antimony (iii) iodide

Acids

100

Binary acids contain one monatomic anion and one ______

hydrogen

200

Add this suffix to an anion ending in -ite.

-ous

300

These type of acids do not contain the prefix hydro-

oxyacids

400

What is the chemical formula for iodous acid?

HIO₂

500

What is the name of HAt?

Hydroastatic acid