Unit 1
Which one is it?
Ionic
Covalent
Lewis Dot & Oxidation #'s
100
Atoms have the same amount of
Protons and Electrons
100
What type of bond does magnesium and chlorine have?
What are the oxidation numbers after they bond?
Ionic
Mg+2 and Cl-1
100
Ionic bonds are between
a metal and non metal
100
Covalent bonds are between
A non metal and non metal
100
Draw the Lewis dot model for Cesium (Cs)
C .
200
Metals are on the _____ side of the periodic table
Left
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.
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)
200
Can take the physical form of
Gas/Liquid/Solid
200
What is the Oxidation number for Neon?
0
300
Metalloids have the same physical properties as _____ and same chemical properties as _____?
Metals, Nonmetals
300
Single, Double, and Triple bonds are
Covalent
300
Ionic compounds always form as
Crystals
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)
300
Draw the Lewis dot bonds for Magnesium and Chlorine.
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
400
FeS2 is commonly known for having a metallic shine and a high melting point, it is a ?
Ionic Bond
400
Rubies are a naturally forming crystal, which formula represents this?
SiO2 C6H12O6
Al2O3 CO2
Al2O3
400
C2 is perfect for conducting heat and electricity.
T/F
False
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
List the energy levels for these elements
Og, Li, H, V, Au, Te, Al
7, 2, 1, 4, 6, 5, 3.
500
Copper (bonded), when in water can still conduct electricity and heat making it,
Ionic
500
Give a good example of an Ionic Bond.
I'm sure you got it right !
500
Pick the covalent bond(s)
Na2O PCl3
NH4 Mg2Cl3
Everything but Mg2Cl3
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