Test your basic knowledge |

SAT Subject Test: Chemistry

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Rare earth elements
A heavy nucleus splits into two nuclei - when bombarded by small particles (very exothermic)
A compound breaks into two parts
Make up jet fuels and kerosene
Periods 8 and 9 - lanthanides and actinides

2. When the reaction is exothermic - the entropy is
Lemon yellow
Red
It is at equilibrium
Decreased

3. Hydroxyl group
3 bonding - 1 nonbonding 107°
Diatomic - fluorine is a gas - bromine is a liquid iodine is a solid - fluorine is most reactive - chlorine is an antibacterial agent
Non-polar if electronegativity difference is between 0 and 0.4 - in polar bonds the atom with more electronegativity has greater pull on electrons. Single bond is a sigma bond - double and triple bonds have one sigma - and the other are pi bonds.
OH - alcohols - name ends in ol

4. When a reaction is endothermic - the entropy is
React with water to form bases - react with acids to form hydrogen gas - more reactive down group
Increases left and down
Increased
Magnesium

5. What is the second law of thermodynamics?
Soluble except when containing Ag? - Hg2²? - or Pb²?
760 mmHg = 760 torr = 1 atm = 101 -325 Pa
Made of positive and negative ions held together by electrostatic attractions. High melting points - brittle - poor conductors as solids. Ex: NaCl
Disordered systems with higher entropies are favored

6. Sulfate ion
SO4²?
Blue-green
Liquid at room temperature - used to make gasoline and solvents
Strong acids - strong bases - soluble salts

7. Gibb's Free Energy equation
DG = DH - TDS
1. Solids don't conduct good electrical current. 2. Liquid phase are good conductors 3. Relatively high melting and boiling points 4. Do not vaporize readily at room temperature. 5. Brittle / easily broken 6. Soluble in water
Blue-green
COH functional group - name ends in -al

8. Brass
Mixture of copper and zinc
Used as an antifreeze - used in gasoline - flammable - miscible with water - good solvent
Low pressures - high temperatures
Spin is +1/2 or -1/2 in an orbital

9. Cl - Br - and I compounds are...
Green
Soluble except when containing Ag? - Hg2²? - or Pb²?
Red
P1/V1 = P2/V2

10. Transition metals
OH - alcohols - name ends in ol
Refract light as result of unpaired electrons - several oxidation states - ionic solutions are colored
More negative means easier to gain electrons - increases left - no change in groups - exception is noble gases who have positive electron affinities
8.3 to 10.0 - colorless to pink

11. If G is negative - is the reaction spontaneous?
Q = mcDT
Soluble
Deadly - yellow-green - weapon
Yes

12. Noble gas properties
Most stable
Solid at room temperature
Covalent
Made of metal atoms - held together by metallic bonds - high melting points - can be malleable or hard - good conductors.

13. Sulfide color: CdS
Do not conduct electricity well
Bright yellow
High speed electrons - increase atomic number by 1 - range of 12 cm - weak interactions - 100 ionizations per cm - low energy
Atom becomes more stable by emitting a positively charged electron when a proton becomes a neutron and positron - decreasing the atomic number by 1

14. Color of CrO7²? solution
3 bonding - 1 nonbonding 107°
Orange
Used as an antifreeze - used in gasoline - flammable - miscible with water - good solvent
2 bonding - 180° - sp hybridization

15. Ionic solids
Solid at room temperature
Spontaneous degeneration of an unstable atomic nucleus with the emission of radiation
Heat required to make a substance melt.
Made of positive and negative ions held together by electrostatic attractions. High melting points - brittle - poor conductors as solids. Ex: NaCl

16. Charles' Law
Made of metal atoms - held together by metallic bonds - high melting points - can be malleable or hard - good conductors.
High speed electrons - increase atomic number by 1 - range of 12 cm - weak interactions - 100 ionizations per cm - low energy
V1/T1 = V2/T2
More active element replaces less active element in a compound.

17. Isomer
Same formula - different structure
White
1. Electrolysis of water 2. passing steam over hot iron or through hot coke 3. decomposing natural gas (mostly methane) with heat and water
Yellow to orange

18. Color of excited Ba2+
Nonmetal oxides form acids - metal oxides form bases
Light green
DH = bonds broken - bonds formed
Gas pressure = atm pressure + height of mercury

19. Single Replacement / displacement reaction
Energy level - as it increases electrons are less bound to the nucleus
Degrade the oxone layer
More active element replaces less active element in a compound.
Gold

20. Alkali Metals
8.3 to 10.0 - colorless to pink
Photography
3 bonding - 120° - sp² hybridization
1st group - most reactive metal family - react violently with water - create basic solutions

21. Silver bromide and silver iodide are used for
Atom becomes more stable by emitting a positively charged electron when a proton becomes a neutron and positron - decreasing the atomic number by 1
Photography
V1/T1 = V2/T2
Etching glass and frosting lightblubs

22. Chlorine gas
Decreased
Solution where particles settle - can be separated - sometimes scatter light - usually not transparent
Deadly - yellow-green - weapon
Used as an antifreeze - used in gasoline - flammable - miscible with water - good solvent

23. Name the six strong acids
Soluble except when containing alkaline earth metals
HCl - HBr - HI - HNO3 - H2SO4 - HCLO4
Increases right and up - drops when electron pairing first occurs (p4) - drop from s block to p block
6.0 to 7.6 - yellow to blue

24. Color of excited Cu2+
Blue-green
Refract light as result of unpaired electrons - several oxidation states - ionic solutions are colored
P1/V1 = P2/V2
Defines shape of orbital

25. Resonance structures
Same molecule - different electron pair positions
Made of atoms or molecules held together by dipole forces - hydrogen bonds - or London dispersion forces. Low melting points - flexible - poor conductors. Ex: Sucrose
Nonmetal oxides form acids - metal oxides form bases
6.0 to 7.6 - yellow to blue

26. pewter
White
Mixture of tin - copper - bismuth - and antimony
Properties of solutions that depend on the number of particles per solvent molecule
Gases at room temperature - used for fuel

27. Ammonium Ion
NH4?
Diatomic - fluorine is a gas - bromine is a liquid iodine is a solid - fluorine is most reactive - chlorine is an antibacterial agent
R-CO-O-R functoinal group - ends in ate - shortest R has a branch name ending in -yl
COOH - ends in -oic acid

28. Solute vs. Solvent
Mostly composed of hydrocarbons - refined by separating it into different boiling points of its components
The solute is dissolved in the solvent.
yellow
NH2 - ends in -amide

29. Nonmetals
Solution where particles are between 100 and 1000 nm in size—particles this small will not settle.the particles cannot be filtered - but they do scatter light
Lemon yellow
Oxide that reacts with water to form either an acid or a base
Do not conduct electricity well

30. Pi bonds
Between metal and non-metal - electronegativity difference greater than 1.7 - high melting points - solid state under standard conditions - electron is completely transferred
Result from sideways overlap of p orbitals - never occur unless a sigma bond is created first
Classified as strong bases but not very soluble.
CO3²?

31. If G is positive - is the reaction spontaneous?
2nd group - fairly reactive - pastes are used in batteries
No
2 bonding - 180° - sp hybridization
COH functional group - name ends in -al

32. Do you multiply by coefficients in thermochemistry problems and electrochemistry problems?
Diatomic - fluorine is a gas - bromine is a liquid iodine is a solid - fluorine is most reactive - chlorine is an antibacterial agent
Yes in thermo - no in electro
1. Lower melting point than components 2. Harder than components 3. If cooled slowly - particles are larger
Between metal and non-metal - electronegativity difference greater than 1.7 - high melting points - solid state under standard conditions - electron is completely transferred

33. Properties of acids
1st group - most reactive metal family - react violently with water - create basic solutions
2 bonding - 180° - sp hybridization
1. Water solutions conduct electricity 2. Will react with metals more active than hydrogen to liberate hydrogen. 3. Change litmus to red 4. Phenolphthalein is colorless 5. React with bases to form water and salt 6. React with carbonates to release ca
Properties of solutions that depend on the number of particles per solvent molecule

34. Equation when using a manometer to calculate gas pressure - and the gas has a higher pressure than the atmosphere
Gas pressure = atm pressure + height of mercury
Excess oxygen
Electrons are free to move through metal structure - high conductivity - ductile
CO - produced from incomplete combustion - very toxic

35. Alchohols
Mixture of tin - copper - bismuth - and antimony
7th group - form salts - always exist as diatomic molecules - used in modern lighting
Rate of effusion A / Rate of effusion B = sq. root of molar mass B / sq. root of molar mass A
OH functional group - name ends in -ol

36. How can hydrogen be produced?
Gold
Rate of effusion A / Rate of effusion B = sq. root of molar mass B / sq. root of molar mass A
1. Water solutions conduct electricity 2. Litmus is blue - phenolphthalein is pink 3. React with fats to form soaps
1. Electrolysis of water 2. passing steam over hot iron or through hot coke 3. decomposing natural gas (mostly methane) with heat and water

37. bronze
8.3 to 10.0 - colorless to pink
Soluble except when containing alkaline earth metals
Mixture of copper - zinc - and other metals
Non-polar if electronegativity difference is between 0 and 0.4 - in polar bonds the atom with more electronegativity has greater pull on electrons. Single bond is a sigma bond - double and triple bonds have one sigma - and the other are pi bonds.

38. Covalent-network / atomic solids
Covalently bonded molecules with covalent intermolecular bonds - hard - high melting points - poor conductors. Ex: diamond - graphite
Magnesium
Light green
Periods 8 and 9 - lanthanides and actinides

39. Alkali metal compounds and NH4? compounds are...
Increases left and down
Two compound react to form two new compounds
Nonmetal oxides form acids - metal oxides form bases
Soluble

40. Trigonal pyramidal
3 bonding - 1 nonbonding 107°
1. Water solutions conduct electricity 2. Will react with metals more active than hydrogen to liberate hydrogen. 3. Change litmus to red 4. Phenolphthalein is colorless 5. React with bases to form water and salt 6. React with carbonates to release ca
2nd group - fairly reactive - pastes are used in batteries
Glass and plastic

41. Pauli exclusion principle
Q = mcDT
4.5 to 8.3 - Red to blue
Two reactants combine to form a single product
No two electrons can have the same set of 4 quantum numbers

42. Define heat of fusion.
1. Water solutions conduct electricity 2. Litmus is blue - phenolphthalein is pink 3. React with fats to form soaps
Heat required to make a substance melt.
Acid to water
Lemon yellow

43. Combustion reaction
Hydrocarbon burned in the presence of oxygen to form carbon dioxide and water
Two reactants combine to form a single product
A heavy nucleus splits into two nuclei - when bombarded by small particles (very exothermic)
7th group - form salts - always exist as diatomic molecules - used in modern lighting

44. Color of excited Fe3+
3 bonding - 1 nonbonding 107°
The solute is dissolved in the solvent.
Gold
Decreased

45. Alkaline metal oxides are...
Yes
4.5 to 8.3 - Red to blue
Classified as strong bases but not very soluble.
Covalent

46. When are gases MOST ideal?
Low pressures - high temperatures
Between neutral polar molecules - stronger polarity means stronger dipole-dipole forces - hydrogen bonds are between hydrogen and fluorine - oxygen - or nitrogen.
Composed of hydrocarbons - sulfur - oxygen - and nitrogen. When combusted - sulfur becomes SO2
React with water to form bases - react with acids to form hydrogen gas - more reactive down group

47. Isoelectronic
Insoluble
6.0 to 7.6 - yellow to blue
Deadly - yellow-green - weapon
Two atoms with the same number of electrons

48. Synthesis reaction
Two reactants combine to form a single product
Composed of hydrocarbons - sulfur - oxygen - and nitrogen. When combusted - sulfur becomes SO2
DTb = (Kb)(msolute)(i) - for water Kb is 0.51
Increases left and down

49. Trigonal planar
3 bonding - 120° - sp² hybridization
Low melting points - nonpolar unless they have functional groups - nonconductors - exist in all states
CO3²?
Single bonds - result from overlap of two s orbitals - an s and p orbital - or two p orbitals - greatest overlap means stronger bond

50. General Properties of Organic Compounds
Low melting points - nonpolar unless they have functional groups - nonconductors - exist in all states
Mixture of tin - copper - bismuth - and antimony
21% of atmosphere - colorless - odorless - supports combustion reactions
Yes in thermo - no in electro

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

SAT Subject Test: Chemistry

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests