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Test your basic knowledge |
CSET Science: Chemistry
Start Test
Study First
Subjects
:
cset
,
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. Measures of an attraction that an atom has ffor electrons in a chemical bond
deposition
gamma decay
electronegativity
alkanes
2. Water
halogens
poor metals
H2O
noble gas
3. Hydrocarbons that involve carbon - carbon double bonds
isotopes
chemical reaction
alkenes
HCL
4. Energy released when an electron is added to a gaseous atom
electron affinity
semi - metals
stoichiometry
nucleus
5. Radioactive decay in which a beta particle - aka an electron - is emitted
beta decay
gamma decay
cations
electron affinity
6. 1.66 x 10^-24 g
periods
nitrogen - containing compounds
semi - metals
atomic mass unit
7. When a compound breaks down into two or more substances by heating - like the break down of mercury oxide
chemical reaction
decomposition reaction
alkanes
acid
8. The different forms of an electron based on their neutrons
isotopes
hydrocarbons
neutron
atomic number
9. Radioactive decay that leads to an emission of Helium -4 ion
cations
beta decay
alpha decay
ph neutral
10. Metals that have a variety of property that include carbon - nitrogen and oxygen vital to the earth
periods
atomic radius
nonmetals
semi - metals
11. The chemical potential for hydrogen - which determines whether or not a chemical is an acid or base
cations
pH
alpha decay
hydrocarbons
12. Metals mostly found in the middle of the table that are small and shiny. They are hard and have high melting and boiling points
alkaline earth metals
transition metals
ion
organic compounds
13. The conversion of liquid into a gas
NH3
ph neutral
protons
evaporation
14. Substances that create hydroxide ions - have a pH level higher than 7 - and can conduct electricity
poor metals
bases
alkynes
atomic radius
15. A chemical that is sour and stings and receives positive charged atoms when they are dissolved in water
atomic number
acid
electronegativity
alkynes
16. The degree that two liquids can mix together
alkaline earth metals
miscibility
decomposition reaction
deposition
17. The conversion of a gas back into a liquid
pH
condensation
hydrocarbons
electronegativity
18. Organic compounds that contain nitrogen - including protein
nitrogen - containing compounds
neutralization reaction
NaCl
gamma decay
19. The bond formed when an anion and a cation unite and form a chemical reaction
organic compounds
deposition
ionic bond
periods
20. The way a periodic table is ordered in columns based on how many electrons are in the outer shell
matter
evaporation
halogens
groups
21. Metals like calcium that produce alkaline solutions when combined with water. Part of Group IIA. Have two electrons in their outer shells
alkaline earth metals
atomic number
ph neutral
NH3
22. The smallest form of a particle
atom
transition metals
periods
organic compounds
23. The energy required to completely remove an electron from an atom or an ion to make it ositive. the energy increases from left to right as the atomic radius diecreases
chemical reaction
ionization energy
noble gas
NaCl
24. Move around the nucleus at the speed of light and have a negative charge
acid
alkanes
electrons
electronegativity
25. A specific type of double deplacement when an acid reactts with a base to form salt and water
neutralization reaction
ionization energy
deposition
noble gas
26. The size of an atom that decreases across a period. Within the group - it increases from top to bottom
atomic radius
beta decay
alpha decay
cations
27. Chemicals like sodium that react with water to make alkaline solutions. Part of Group IA. They easily lose their valence electrons to become +1
hydrocarbons
bases
nitrogen - containing compounds
alkali metals
28. A chemical bond in which two atoms share electrons like H2.
covalent bond
chemical reaction
semi - metals
condensation
29. When two reactants form one product - like sulfur dioxide by burning sulfur in the air
matter
acid
ionic bond
combination reaction
30. Positive charged ions
neutralization reaction
cations
neutron
anions
31. The process in which a solid can become a gas - like dry ice
alpha decay
atom
kinetic molecular theory of gas
sublimation
32. Hydrochloric acid
alkali metals
miscibility
condensation
HCL
33. Radioactive decay in which half of a sample decays
gamma decay
radioactive decay
semi - metals
half - life
34. The outer electron in a shell
neutron
chemical reaction
alkaline earth metals
valence shell
35. Components made up of a combination of atoms
acid
semi - metals
ionization energy
molecules
36. Small component of an atom that has no electrical charge
neutron
kinetic molecular theory of gas
H2O
ph neutral
37. When elements from two different compounds didsplace each other to form new compounds - like when solutions of CaCl and HgNi combine to form insoluble HgCl and CaNi
electrons
radioactive decay
alkanes
double displacement reaction
38. Anything that has mass and takes up space
ph neutral
ionization energy
matter
protons
39. Gases like neon and helium that do not interact with other elements because they havea complete valence shell
stoichiometry
noble gas
ph neutral
neutralization reaction
40. Ammonia
neutron
ph neutral
NH3
condensation
41. The process of balancing chemical equations
stoichiometry
organic compounds
double displacement reaction
protons
42. Hydrocarbons that have single bonds with a prefix to show the number of carbon atoms - like methane - ethane - propane - butane - pentane - and hexane
ph neutral
poor metals
alkanes
sublimation
43. Negative charged ions
half - life
atomic mass unit
anions
kinetic molecular theory of gas
44. An atom that has an electrical charge
ion
ionization energy
neutralization reaction
electron affinity
45. Hydrocarbons taht also include oxygen - like alcohols - carbohydrates
atom
halogens
acid
organic compounds
46. Carbons that consist of both hydrogen and carbon atoms and can be alkanes - alkenes - akynes - adn aromatics
matter
noble gas
pH
hydrocarbons
47. The idea that 1. gaes are made up of particles - 2. gas atoms do not exhibit intermolecular attraactions or repulsions - 3. gas particles are in continuous random motions - 4. collisiosn between two gas particles is not dissipated - and 5. the averag
atomic radius
kinetic molecular theory of gas
ionic bond
neutron
48. Metals that have low melting points
alpha decay
poor metals
alkaline earth metals
halogens
49. Part of group VIIA and are highly reactive nonmetals. They have seven valence electrons and range from bein ggaseous to solids. Includes fluoride - chloride - and iodine
electronegativity
H2O
valence shell
halogens
50. Small component of an atom that has a positive electrical charge
protons
alkaline earth metals
gamma decay
organic compounds