Chemistry Final Exam Review

Matter

100

What are the 2 types of mixtures?

hetergeneous and homogeneous

200

Salt is dissolved in a cup of water. How can we separate it?

boil the water

300

What are the 2 types of heteroegenous mixtures?

colloid and suspension

400

What are the 4 natural states of matter

solid, liquid, gas, plasma

500

What are the 2 types of molecules?

heteronuclear and homonuclear

Atoms

100

What are the 3 subatomic particles and their charges?

proton: +

electron: -

neutral: none

200

What are the rows and columns of a periodic table called?

rows- periods

columns- groups

300

A _______________ is a variation of an atom with a different number of neutrons.

isotope

400

The ______________ ____________ of an atom is the amount of protons-electrons

relative charge

500

Draw the Bohr Model for Phosphorus (labeled)

drawing

Bonding

100

What is the ion for Barium?

Ba⁺²

200

What type of bond is a full transfer of electrons?

ionic

300

Bond sodium and chlorine. What is the chemical formula?

NaCl

400

Bond Phosphorus and Bromine

drawing

500

Bond Selenium and Carbon AND name the compound

carbon diselenide

Balancing Chemical Equations

100

________H₂ + ___________O₂  ->  _________H₂O

2 , 1 , 2

200

_______S₈ + ______O₂  -> _________SO₂

1 , 8 , 8

300

_________Cr + ________O₂  ->  ________Cr₂O₃

4 , 3 , 2

400

_______C₂H₆ + ______O₂  -> ______CO₂ + ______H₂O

2 , 7 , 4 , 6

500

What type of chemical reaction starts with a compound and separates into 2 elements?

decomposition reaction

Random :)

100

What is the population of tenafly?

15,084

200

Where will the 2024 Olympics be?

Paris

300

What year was the American moon landing?

1969

400

Who has the most oscars?

Walt Disney

500

Who was the lead singer of The Police?

Sting