Unit 1 exam

All about Atoms

100

A Particle with zero charge found in the nucleus of an atom is called a(n):

Neutron

200

Charged particle that accounts for nearly half the mass of an atom is the: 

Proton

300

Compared to protons, Electrons have: 

A. Much smaller mass and opposite charge.

B. Same mass and opposite charge

C. Larger mass and same charge

D. Larger mass and opposite charge

A. Much smaller mass and opposite charge.

400

Atoms of a particular element that have different numbers of neutrons are called:

Isotopes 

500

The Mg atom becomes the ion, Mg ²⁺ when it: 

Loses two electrons

600

What is difference between Covalent and Ionic Bonds?

Covalent-Shared 

Ionic-Transferred

Periodic Table

100

A way of organizing elements based on their chemical properties is the:

Periodic Table

200

How many neutrons does a Carbon atom with a mass number of 14 and an atomic number of 6, have?

8

300

The vertical Columns of the periodic table are called:

Groups

400

Elements in the first column on the periodic table are known as alkali metals. What do these elements have in common when ionized? (Hint: Oxidation number)

+1

500

What is the LEAST reactive group in the periodic table?

Noble Gases

600

Who developed the Periodic Table

Dmitri Mendeleev

Organic Molecules

100

What type of Organic Molecule is DNA?

Nucleic Acid

200

How many different amino acids are involved in making the thousands of proteins in the human body?

20

300

What are 2 types of a lipid?

Oils, fats, and waxes 

400

Cellulose is a type of organic molecule identified by scientists as a:

Carbohydrate 

500

Name the 4 different organic Molecules

Carbohydrates, Lipids, Proteins, Nucleic Acids

600

What is the base of all organic molecules? (Element found in these)

Carbon

Elect/Pro/Neutron

100

Oxygen

8/8/8

200

Sodium

11/11/12

300

Potassium

19/19/20

400

Helium

2/2/2

500

5/5/6

Boron

600

30/30/35

Zinc

Chemical Equations600-Random

100

:                        CH4 + O2 → CO2 + H2O

•   Identify the products for the equation above.

CO₂ + H₂O

200

___ Fe + ____O_{2 --> _____}Fe₂O₃

4,3,2

300

What does the Arrow "-->" mean?

to Produce or yield

400

• What is the chemical formula for a compound that contains the aluminum ion (Al³⁺) and the hydroxide ion (OH-)?

Al(OH)₃

500

• Identify the Reactants from this chemical Equation:
• CH₄ + O₂ --> CO₂ + H₂O

CH₄ + O₂

600

What is the Law of Conservation of Mass? 

in a chemical reaction mass is neither created nor destroyed.(Must be balanced)

Types of Equations

100

What type of Reaction is this:

Fe + O₂ --> Fe₂O₃

Synthesis

200

What type of reaction is this?

Fe₂O₃ --> Fe+O₂

Decomposition 

300

• What type of Reaction is this: CH₄ + O₂ --> CO₂ + H₂O 

Combustion

400

• What type of Reaction is this: Fe + CuCl₂ --> FeCl₂ + Cu 

Single Displacement

500

• What type of Reaction is this: Al₃O₂ + FeCl₂ --> AlCl₂ + FeO

Double Displacement

600

What is the most Abundant element in the atmosphere?

Nitrogen

Random

100

How many Valance Electrons are in Oxygen?

6

200

Balance This Equation

____ CaCO3 --> ____ CaO + ____CO2

Already Balanced

300

How many electrons can be in the 3rd level?

8

400

Who developed the Conservation of Mass law?

Antoine Lavoisier 

500

Elements in the middle of the Periodic Table. (Groups 3-12)

Transition Metals

600

What are the Four Nitrogen Bases in DNA.

Adenine - Thymine 

Cytosine - Guanine 

Final Jeopardy

100

What is an Example of a carbon Compound (Common Name)

Methane/Ethane/Propane/Butane/Pentane/Hexane/Heptane/Octane. 

Anything that ends with -ane