Unit 2 Review

Unit 1

100

Atoms have the same amount of 

Protons and Electrons

200

Metals are on the _____ side of the periodic table

Left

300

Metalloids have the same physical properties as _____ and same chemical properties as _____?

Metals, Nonmetals

400

List the number of ve- for these elements

Strontium, Sodium, Neon, Boron, Helium,Tin, Bismuth, Astatine, and Selenium.

Na 1, He 2, B 3, Sn 4, Bi 5, Se 6, At 7, Ne 8

500

List the energy levels for these elements

Og, Li, H, V, Au, Te, Al

7, 2, 1, 4, 6, 5, 3.

Which one is it?

100

What type of bond does magnesium and chlorine have?

What are the oxidation numbers after they bond?

Ionic

Mg⁺² and Cl^-1

200

SiO₂

_{Ms. Hali's favorite compound, has what type of bond? Oh and what kind of melting point does it have?}

SiO₂ is a covalent bond and has a low melting point.

300

Single, Double, and Triple bonds are

Covalent

400

FeS₂ is commonly known for having a metallic shine and a high melting point, it is a ?

Ionic Bond

500

Copper (bonded), when in water can still conduct electricity and heat making it,

Ionic

Ionic

100

Ionic bonds are between

a metal and non metal

200

Which one of these pairs are ionic?

Argon and Oxygen

Iodine and Boron

Polonium and Oxygen

Copper and Sulfur

Copper and Sulfur

(metal and non metal)

300

Ionic compounds always form as

Crystals

400

Rubies are a naturally forming crystal, which formula represents this?

SiO₂         C₆H₁₂O₆

Al₂O₃     CO₂

Al₂O₃

500

Give a good example of an Ionic Bond.

I'm sure you got it right !

Covalent

100

Covalent bonds are between 

A non metal and non metal

200

Can take the physical form of

Gas/Liquid/Solid

300

How do you represents bonded pairs of electrons?

With a dash

1 dash- 2 shared electrons (single)

2 dash- 4 shared electrons (double)

3 dash- 6 shared electrons (triple)

400

C₂ is perfect for conducting heat and electricity.

T/F

False

500

Pick the covalent bond(s)

Na₂O      PCl₃

NH₄       Mg₂Cl₃

Everything but Mg₂Cl₃

Lewis Dot & Oxidation #'s

100

Draw the Lewis dot model for Cesium (Cs)

                                     

                                    C . 

200

What is the Oxidation number for Neon?

0

300

Draw the Lewis dot bonds for Magnesium and Chlorine.

400

How many valence electrons are needed in the outer shell to be seen as stable? What are the exceptions?

8 with the exception of H and He who need 2

500

Make Lewis Dot Diagrams for Br and Ga. Then make them stable. Give the chemical formula and oxidation #'s for the elements given.

Br^-1   Ga⁺³

GaBr₃