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Test your basic knowledge |
SAT Subject Test: Chemistry Vocab
Start Test
Study First
Subjects
:
sat
,
science
,
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. The numerical expression of the relative strength with which the atoms of an element attract valence electrons to themselves; the higher the number - the greater the attraction
Alkali
Atomic number
Electronegativity
Combustion
2. Covalence in which both electrons in a pair come from the same atom
Buffer
Binary
Breeder reactor
Coordinate covalence
3. The rapid escape of excess gas that has been dissolved into a liquid
Effervescence
Control rod
Bonding
Colligative propery
4. The number of molecules in 1 gram-molecular volume of a substance - or the number of atoms in 1 gram-atomic mass of an element 6.02 x 10(-27)
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5. A salt formed by replacing part of the hydrogen ions of a dibasic or tribasic acid with metallic ions - Examples: NaHSO4 - NaH2PO4
Chain reaction
Equation
Acid salt
Calorie
6. A bond between atoms involving two electron pairs - unsaturated
Boiling point
Brownian movement
Absolute temperature
Double bond
7. An instrument - invented by Toricelli in 1643 - used for measuring atmospheric pressure
Barometer
Activated Charcoal
Double displacement
Ether
8. In metallurgy: a substance that helps to melt and remove the solid impurities as slag
Critical temperature
Flux
Dehydrating agent
Deliquesence
9. Shorthand method of showing the changes that take place in a chemical reaction
Decomposition
Equation
Alkali
Cathode rays
10. A substance composed of two or more metals - which are intimately mixed; usually made by melting the metals together
Alloy
Denatured alcohol
Allotropic forms
Amphoteric
11. Having no definite crystalline structure
Anhydride
Endothermic
Alcohol
Amorphous
12. Bonding accomplished through the sharing of electrons so that atoms can fill their outer shells
Activation energy
Covalent bonding
Double displacement
Amine
13. Isotope of hydrogen - sometimes called heavy hydrogen - with an atomic weight of 2
Emulsifying agent
Esterification
Decomposition
Deuterium
14. Chemical reaction between an alcohol and an acid - in which an ester is formed
Amphoteric
Esterification
Emulsion
Electron volt
15. Organic compound containing the -O- group
Absorption
Colloids
Ether
Alkyl
16. The process of first vaporizing a liquid and then condensing the vapor back into a liquid - leaving behind the nonvolatile impurities
Equilibrium
distillation
Emulsifying agent
Cathode
17. The breaking down of a compound into two or more simpler substances
Analysis
Beta particles
Base
eudiometer
18. A specially treated and finely divided form of carbon - which possesses a high degree of absorbtion
Atomic mass
Covalent bonding
Atomic radius
Activated Charcoal
19. Continuous zigzagging movement of colloidal particles in a dispersing medium - as viewed through and ultramicroscope
Celsius scale
Cathode
Brownian movement
Enthalpy
20. An ion or particle that has a negative charge and thus is attracted to a positively charged anode
Anion
Bond energy
Electron
Buffer
21. Determines how a substance will behave in a chemical reaction
Alkaline
Dew point
Displacement
Chemical property
22. The union of atoms to form compounds or molecules by filling their outer shells of electonrs. This can be done through giving and taking electrons (ionic) or by sharing electrons
Coordinate covalence
Bonding
Ether
Empirical formula
23. The energy needed to break a chemical bond and form a neutral atom
Colligative propery
Emulsifying agent
Bond energy
Allotropic forms
24. The minimum energy necessary to start a reaction
Activation energy
Alkaline
Electrode potential
Amine
25. A chemical action in which both heat and light are given off
Filteration
Alkaline
Combustion
Buffer
26. E=mc2 - relates mass to energy
Effusion
Ester
Einstein equation
Fahrenheit scale
27. A substance composed of elements chemically united in definite proportions by weight
Atomic mass
Fission
Emulsion
Compound
28. A compound such as CH3NH2 - derived from ammonia by substituting one or more hydro-carbon radicals for hydrogen atoms
Beta particles
Acidic anhydride
Amine
Equation
29. A liquid that will conduct and electric current
Electrolyte
Avagadro's number
Element
Electronegativity
30. Organic compound formed by dehydrating oxidized alcohol; contains the characteristic - CHO group
Atomic radius
Aldehyde
Denatured alcohol
Crystallization
31. Loss by a substance of its water of hydration on exposure to air at ordinary temperatures
Double displacement
Density
Efflorescence
Fallout
32. Capacity to do work
Chemical change
Dissociation (ionic)
Cathode rays
Energy
33. A temperature scale divided into 100 equal divisions and based on water freezing at 0 degress and boiling at 100 degrees
Celsius scale
Beta particles
Chain reaction
Element
34. The measure of disorder in a system
Barometer
Ductile
Entropy
Alpha particles
35. Separation of the ions of an ionic compound due to the action of a solvent
Allotropic forms
Critical temperature
Amino acid
Dissociation (ionic)
36. A water wolution that contains an excess of hydroxide ions; a proton acceptor; a base turns litmus paper blue and neutralizes acids to form salts
Boiling point
Colligative propery
Base
Absolute temperature
37. A reaction produced during nuclear fission when at least one neutron from each fission produces another fission - so that the process becomes self sustaining without additional external energy
Activated Charcoal
Anhydrous
Double bond
Chain reaction
38. The difference in potential between an electrode and the solution in which it is immpesed
Electronegativity
Electrode potential
Antichlor
Ester
39. The temperature at which the vapor pressure of a liquid equals the atmospheric pressure
Carbon dating
Boiling point
Critical mass
Alkali
40. One of the "building blocks" of proteins; contains one or more NH2- groups that have replaced the same number of hydrogen atoms in an organic acid
Amino acid
Equation
Breeder reactor
Enthalpy
41. Particles larger than those found in a solution but smaller than those in a suspension
Colloids
Double displacement
Dipole-dipole attraction
Bonding
42. An ion that has a positive charge
Breeder reactor
Entropy
Cation
Amino acid
43. Colloidal substance that forms a film about the particles of two immiscible liquids so that one remains suspended in the other
Alkali
Equilibrium
Electrolysis
Emulsifying agent
44. The process by which suspended matter is removed from a liquid by passing the liquid through a porous material
Deuterium
Bond energy
Electrolyte
Filteration
45. The layer of gasses surrounding the earth - A unit of pressure (1 atm = 760mm of Hg or torr)
Electroplating
Crystallization
Empirical formula
Atmosphere
46. The highest temperature at which water vapor condenses out of the air
Dew point
Brownian movement
Boiling point
Decomposition
47. Substance that - when added to a solution - makes changing the pH of the solution more difficule
Calorie
Combustion
Buffer
Electroplating
48. Temperature measured on the absolute scale - which has its origin at absolute zero
Colligative propery
Ductile
Absolute temperature
Cathode
49. A substance used to remove the excess chlorine in the bleaching process
Catalyst
Atmosphere
Antichlor
Denatured alcohol
50. Graduated glass tube into which gases are placed and subjected to an electric spark; measures the individual volumes of combining gases
Effervescence
eudiometer
Alkali
Cathode rays