CHEM 163-- Semester 1 Study Guide

What does the atomic number represent?

# of protons

Create an atomic model for Magnesium

(see image)

Create an atomic model for Neon

(see image)

Create an atomic model for Oxygen

(see image)

Where are the metalloids located on the periodic table

(see image)

Where are the metals located on the periodic tables

(see image)

Where are the noble gases located on the periodic table?

(see image)

Draw the atomic diagram for Lithium. WIll the valence electrons be given or taken? What will the charge of the ion be?

(see image) Give 1+

Draw the atomic diagram for Oxygen. WIll the valence electrons be given or taken? What will the charge of the ion be?

(see image) Take 2-

Draw the atomic diagram for Chlorine. WIll the valence electrons be given or taken? What will the charge of the ion be?

(see image) Take 1-

Draw the bonding between Clorine and Fluorine. Is the bond ionic or covalent?

(see image) covalent

Draw the atomic diagram for Beryllium. WIll the valence electrons be given or taken? What will the charge of the ion be?

(see image) give 2+

Draw the bonding between Sodium and Fluorine. Is the bond ionic or covalent?

(see image) ionic

How many electrons can be on each shell?

1-2 2-8 3-8 4+- We don't care

How many electrons are in the atomic model for Sulfur

16

How many neutrons are in the atomic model for Sulfur

16

How many protons are in the atomic model for Sulfur

16

If 285.3 g of KOH reacts with an excess of FeCl3, how many grams of Fe(OH)3 will be produced? Equation: FeCl3+3KOH-->Fe(OH)3+3KCl

181.1 g

During the chemical reaction given below 22.0 g of Al and 22.0 g of HCl were allowed to react. Determine how many grams of AlCl3 were produced. Equation: 2Al(s)+6HCl(aq)--> 2AlCl3(aq)+3H2(g)

28.6 g AlCl3

Balance the following equation: KMnO4+H2SO4--> MnSO4+KSO4+H2O+O3

6KMnO4+9H2SO4--> 6MnSO4+3KSO4+9H2O+5O3

Is it matter? Love Wood Brick Computer Hope Elements Friendship

No Yes Yes Yes No Yes No

Has a change in mass occurred? Pulling apart a cotton ball

No, mass stayed the same the particles are just spread apart

Has a change in mass occurred? Melting a piece of ice

No, the particles just switched forms from solid to liquid

Where are the neutrons located in an atom?

Nucleus

Where are the protons located in an atom?

Nucleus

Physical or Chemical Property Blue color

Physical

Physical or Chemical Property Density

Physical

Physical or Chemical Property Luster

Physical

Physical or Chemical Property Odor

Physical

Physical or Chemical Property Sour taste

Physical

What does the atomic mass represent?

Protons + Neutrons

Name two elements that will have similar properties to Lithium.

Sodium Potassium

When under a flame the stick produces a red color. What compound is on the stick?

Strontium

Has a change in mass occurred? Burning a birthday candle

Yes, the particles burned from the candle leaving with a smaller mass.

Balance the following equation: NaN3--> N2+Na

2NaN3-->3N2+2Na

WHat is the molar mass of Al2(SO4)3?

342.150

What are Extensive properties?

A property dependent on amount mass or volume

Name two elements that will have similar properties to Radon.

Argon Xenon

What contributions did Ernest Rutherford make to the Atomic Theory?

Atoms have a nucleus in the center. Used Gold Foil Experiment.

How many grams of calcium hydroxide will be needed to completely react with 29.5 g of sodium phosphate? (HINT: You need to write the equation and balance it before solving)

Balanced Equation: 3Ca(OH)2+2Na3PO4--> Ca3(PO4)2+6NaOH 20 g Ca(OH)2

Based on the following equation, how many moles of each product are produced when 5.9 moles of Zn(OH)2 are reacted with H3PO4? (You need to balance the equation.) Zn(OH)2+H3PO4-->Zn3(PO4)2+H2O

Balanced Equation: 3Zn(OH)2+2H3PO4-->Zn3(PO4)2+6H2O 2.0 mol Zn3(PO4)2 12 mol H2O

The density of gold is 19.3 g/cm^3 and lead is 11.4 g/cm^3. What is true about the density of a lead block that is coated with gold? A. Its density is 11.4 g/cm^3 B. Its density is 19.3 g/cm^3 C. Its density is between 11.4 g/cm^3and 19.3 g/cm^3 D. Not enough information

C

Balance the following equation: CH4+O2-->CO2+H20

CH4+2O2-->CO2+2H20

Physical or Chemical Change Hydrochloric acid reacts with potassium hydroxide to produce a salt, water and heat.

Chemical

Physical or Chemical Change Iron rusts

Chemical

Physical or Chemical Change Milk sours

Chemical

Physical or Chemical Change Potassium Chlorate decomposes to potassium chloride and oxygen gas

Chemical

Physical or Chemical Change Wood rotting

Chemical

Physical or Chemical Property Can neutralize a base

Chemical

Physical or Chemical Property Flammability

Chemical

Physical or Chemical Property Reacts with a base to form water

Chemical

When under a flame the stick produces a green color. What compound is on the stick?

Copper

Suppose you pour nitric acid on some copper powder in a test tube. A brown gas is produced and a light blue liquid is all that reamins in the test tube. What happened to the copper atoms? A. They escaped as part of the brown gas. B. They were destroyed by the acid. C.They are now in the light blue liquid as copper atoms D. They are now in the light blue liguid as copper ions.

D

What contributions did John Dalton make to the Atomic Theory?

Different compounds made up everything on earth. Marbles

What contributions did Niels Bohr make to the Atomic Theory?

Electrons cycled through atom on rings. Different wavelengths of light. Solar system model

Write the balanced chemical equation for Solid iron(II) hydroxide decomposes to form solid iron(II) oxide and liquid water

Fe(OH)2 (s) --> FeO(s)+ H2O (l)

Iron metal combines with H2SO4 to make iron(III) sulfate and hydrogen gas.

Fe+H2SO4-->Fe(SO4)3+H2

Using a periodic table predict the charge of the following Elements: Francium Sulfur Iodine

Francium- 1+ Sulfur- 2- Iodine- 3-

What contributions did Chadwick make to the Atomic Theory?

He found Neutrons

What contributions did Goldstien make to the Atomic Theory?

He found protons

Name three non metals on the periodic table

Helium Neon Oxygen

Name three metals on the periodic table.

Iron Platinum Gold

What are Intensive properties?

Is not affected by amount color or density

Potassium hydroxide and H3PO4 react to form potassium phosphate and water.

KHO+H3PO4-->K3PO4+H2O

Where are the electrons located in an atom?

Outside of the nucleus

When grouped into pairs which elements will have similar properties? Phosphorus Helium Radium Bismuth Magnesium Radon

P & B He & Rn Ra & Mg

Using a solubility table, determine which compound is insoluble in water. A. KBr2 B. PbI2 C. ((NH4)3)PO4 D. NaOH

PbI2

Physical or Chemical Change A pellet of sodium is sliced in two pieces.

Physical

Physical or Chemical Change Evaporation

Physical

Physical or Chemical Change Ice melting

Physical

Physical or Chemical Change Sodium hydroxide dissolves in water

Physical

Physical or Chemical Change Water is heated and changed to steam

Physical

Name three metalloids on the periodic table.

Silicon Boron Germanium

Tin(IV) oxide and hydrgen make tin and water.

SnO2+H2-->Sn+H2O

When under a flame the stick produces a orange color. What compound is on the stick?

Sodium

What is a valence electron?

The electrons on the outermost shell

What contributions did JJ Thompson make to the Atomic Theory?

There are charged things inside atoms. Chocolate Chip

Describe the law of the conservation of mass.

You can't create or destroy matter.

What is matter?

a tangible item with a mass and volume

Write and balance the chemical equation that relates to each of the following word equations: a. solid zinc metal + oxygen gas → solid zinc oxide b. HCl (aq) + magnesium hydroxide (aq) → magnesium chloride (aq) + water c. HNO3 (aq) + calcium hydroxide (s) → calcium nitrate (aq) + water

a. 2Zn (s) + O2 (g) → 2 ZnO (s) b. 2HCl (aq) + Mg(OH)2 (aq) → MgCl2 (aq) + 2H2O (l) c. 2HNO3 (aq) + Ca(OH)2 (s) → Ca(NO3)2 (aq) + 2 H2O (l)

1. In the reaction: 4Li (s) + O2 (g) → 2Li2O (s) a. what is the product? b. what are the reactants? c. what does the "(s)" after the formula of lithium oxide signify? d. what is the coefficient of the lithium metal?

a. Li2O b. Li(s) O2(g) c. Phase of Matter (solid) d. 4

Here are three isotopes of an element: 12/6C 13/6C 14/6C a. The element is: __________ b. The number 6 refers to the ________ c. The numbers 12, 13, and 14 refer to the ____________ d. How many protons and neutrons are in the first isotope? e. How many protons and neutrons are in the second isotope? f. How many protons and neutrons are in the third isotope?

a. carbon b. atomic number c. mass number d. 6 protons 6 neutrons e. 6 protons 7 neutrons f. 6 protons 8 protons

C10H8 is a [covalent/ionic] compound, and will be [conductive/not conductive] when melted. If placed in water, the sample will [dissolve/not dissolve/maybe dissolve]. In general, this sample is likely to have a [high/low] melting point.

covalent, not conductive, maybe dissolve, low

C7H6O3 is a [covalent/ionic] compound, and will be [conductive/not conductive] when melted. If placed in water, the sample will [dissolve/not dissolve/maybe dissolve]. In general, this sample is likely to have a [high/low] melting point.

covalent, not conductive, maybe dissolve,low

CaBr2 is a [covalent/ionic] compound, and will be [conductive/not conductive] when melted. If placed in water, the sample will [dissolve/not dissolve/maybe dissolve]. In general, this sample is likely to have a [high/low] melting point.

ionic, conductive, dissolve high

Name the following compounds: FeSO3 Cu(NO3)2 PF5 KClO3 MgCO3

iron(II)phosphate copper(II)nitrate phosphorus pentafluoride pottassium chlorate magneseum carbonate

What is density?

mass/volume

What is mass?

the amount of particles related to the weight measured using a balance

What is volume?

the amount of space something takes up measured using water displacement or l*w*h

What contributions did Schrodinger make to the Atomic Theory?

used calculus and probability to prove electrons where in the cloud surrounding the nucleus.